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2021102011012 = 227371950870667
BaseRepresentation
bin11101011010010011000…
…100010100001010000100
321011012211002000002010111
4131122103010110022010
5231103204103323022
64144251554202404
7266006535432040
oct35322304241204
97135732002114
102021102011012
1170a165439007
12287852b83404
13118787345116
146db71279020
153789087a477
hex1d693114284

2021102011012 has 24 divisors (see below), whose sum is σ = 4151452781504. Its totient is φ = 842776127712.

The previous prime is 2021102011003. The next prime is 2021102011031. The reversal of 2021102011012 is 2101102011202.

It is a junction number, because it is equal to n+sod(n) for n = 2021102010983 and 2021102011001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 975434298 + ... + 975436369.

Almost surely, 22021102011012 is an apocalyptic number.

It is an amenable number.

2021102011012 is an abundant number, since it is smaller than the sum of its proper divisors (2130350770492).

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

2021102011012 is a wasteful number, since it uses less digits than its factorization.

2021102011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950870715 (or 1950870713 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2021102011012 its reverse (2101102011202), we get a palindrome (4122204022214).

It can be divided in two parts, 202110 and 2011012, that added together give a palindrome (2213122).

The spelling of 2021102011012 in words is "two trillion, twenty-one billion, one hundred two million, eleven thousand, twelve".

Divisors: 1 2 4 7 14 28 37 74 148 259 518 1036 1950870667 3901741334 7803482668 13656094669 27312189338 54624378676 72182214679 144364429358 288728858716 505275502753 1010551005506 2021102011012