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2111120202012 = 2238915791251871
BaseRepresentation
bin11110101110001000100…
…100011101100100011100
321110211011121002222121120
4132232020210131210130
5234042033232431022
64253500224330540
7305344345431423
oct36561044354434
97424147088546
102111120202012
11744359354288
122a1195a73a50
13124101b662b3
14742707502ba
1539dad5ebd5c
hex1eb8891d91c

2111120202012 has 48 divisors (see below), whose sum is σ = 4984453555200. Its totient is φ = 695358702720.

The previous prime is 2111120201977. The next prime is 2111120202013. The reversal of 2111120202012 is 2102020211112.

It is a junction number, because it is equal to n+sod(n) for n = 2111120201982 and 2111120202000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111120202013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1060437 + ... + 2312307.

It is an arithmetic number, because the mean of its divisors is an integer number (103842782400).

Almost surely, 22111120202012 is an apocalyptic number.

It is an amenable number.

2111120202012 is an abundant number, since it is smaller than the sum of its proper divisors (2873333353188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111120202012 is a wasteful number, since it uses less digits than its factorization.

2111120202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253546 (or 1253544 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2111120202012 its reverse (2102020211112), we get a palindrome (4213140413124).

It can be divided in two parts, 2111120 and 202012, that added together give a palindrome (2313132).

The spelling of 2111120202012 in words is "two trillion, one hundred eleven billion, one hundred twenty million, two hundred two thousand, twelve".

Divisors: 1 2 3 4 6 12 89 178 267 356 534 1068 1579 3158 4737 6316 9474 18948 140531 281062 421593 562124 843186 1251871 1686372 2503742 3755613 5007484 7511226 15022452 111416519 222833038 334249557 445666076 668499114 1336998228 1976704309 3953408618 5930112927 7906817236 11860225854 23720451708 175926683501 351853367002 527780050503 703706734004 1055560101006 2111120202012