102121104111 has 8 divisors (see below), whose sum is σ = 146635431600. Its totient is φ = 62843756352.

The previous prime is 102121104097. The next prime is 102121104119. The reversal of 102121104111 is 111401121201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102121104111 - 2⁵ = 102121104079 is a prime.

It is a super-2 number, since 2×102121104111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102121104119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1309244886 + ... + 1309244963.

It is an arithmetic number, because the mean of its divisors is an integer number (18329428950).

Almost surely, 2^102121104111 is an apocalyptic number.

102121104111 is a deficient number, since it is larger than the sum of its proper divisors (44514327489).

102121104111 is a wasteful number, since it uses less digits than its factorization.

102121104111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618489865.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102121104111 its reverse (111401121201), we get a palindrome (213522225312).

The spelling of 102121104111 in words is "one hundred two billion, one hundred twenty-one million, one hundred four thousand, one hundred eleven".