102102001222111 has 32 divisors (see below), whose sum is σ = 113577151919616. Its totient is φ = 91007246064000.

The previous prime is 102102001222061. The next prime is 102102001222129. The reversal of 102102001222111 is 111222100201201.

It is a cyclic number.

It is not a de Polignac number, because 102102001222111 - 2³³ = 102093411287519 is a prime.

It is a super-2 number, since 2×102102001222111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102102001222141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 344953321 + ... + 345249181.

It is an arithmetic number, because the mean of its divisors is an integer number (3549285997488).

Almost surely, 2^{102102001222111} is an apocalyptic number.

102102001222111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102102001222111 is a deficient number, since it is larger than the sum of its proper divisors (11475150697505).

102102001222111 is a wasteful number, since it uses less digits than its factorization.

102102001222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298383.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102102001222111 its reverse (111222100201201), we get a palindrome (213324101423312).

The spelling of 102102001222111 in words is "one hundred two trillion, one hundred two billion, one million, two hundred twenty-two thousand, one hundred eleven".