120002102111 has 16 divisors (see below), whose sum is σ = 129227788800. Its totient is φ = 111033287040.

The previous prime is 120002102093. The next prime is 120002102131. The reversal of 120002102111 is 111201200021.

It is a cyclic number.

It is not a de Polignac number, because 120002102111 - 2²² = 119997907807 is a prime.

It is a super-2 number, since 2×120002102111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120002102092 and 120002102101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120002102131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13511 + ... + 490088.

It is an arithmetic number, because the mean of its divisors is an integer number (8076736800).

Almost surely, 2^120002102111 is an apocalyptic number.

120002102111 is a deficient number, since it is larger than the sum of its proper divisors (9225686689).

120002102111 is a wasteful number, since it uses less digits than its factorization.

120002102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503854.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120002102111 its reverse (111201200021), we get a palindrome (231203302132).

The spelling of 120002102111 in words is "one hundred twenty billion, two million, one hundred two thousand, one hundred eleven".