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2120201033111 = 72179241728541
BaseRepresentation
bin11110110110100101110…
…101000101010110010111
321111200121110022000001022
4132312211311011112113
5234214132431024421
64302001254151355
7306115362266600
oct36664565052627
97450543260038
102120201033111
11748199234077
122a2aab05255b
13124c1b2a8035
14748927a6da7
153a2409437ab
hex1eda5d45597

2120201033111 has 12 divisors (see below), whose sum is σ = 2480134840920. Its totient is φ = 1807162565040.

The previous prime is 2120201033089. The next prime is 2120201033123. The reversal of 2120201033111 is 1113301020212.

It is not a de Polignac number, because 2120201033111 - 230 = 2119127291287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2120201033111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120201033911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120855500 + ... + 120873041.

It is an arithmetic number, because the mean of its divisors is an integer number (206677903410).

Almost surely, 22120201033111 is an apocalyptic number.

2120201033111 is a deficient number, since it is larger than the sum of its proper divisors (359933807809).

2120201033111 is a wasteful number, since it uses less digits than its factorization.

2120201033111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241728734 (or 241728727 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2120201033111 its reverse (1113301020212), we get a palindrome (3233502053323).

The spelling of 2120201033111 in words is "two trillion, one hundred twenty billion, two hundred one million, thirty-three thousand, one hundred eleven".

Divisors: 1 7 49 179 1253 8771 241728541 1692099787 11844698509 43269408839 302885861873 2120201033111