102122011112111 has 8 divisors (see below), whose sum is σ = 106621730434944. Its totient is φ = 97627261112920.

The previous prime is 102122011112047. The next prime is 102122011112113. The reversal of 102122011112111 is 111211110221201.

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

It is a cyclic number.

It is not a de Polignac number, because 102122011112111 - 2⁶ = 102122011112047 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 102122011112111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102122011112113) 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, 1242288905 + ... + 1242371106.

It is an arithmetic number, because the mean of its divisors is an integer number (13327716304368).

Almost surely, 2^{102122011112111} is an apocalyptic number.

102122011112111 is a deficient number, since it is larger than the sum of its proper divisors (4499719322833).

102122011112111 is a wasteful number, since it uses less digits than its factorization.

102122011112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484661821.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 102122011112111 its reverse (111211110221201), we get a palindrome (213333121333312).

The spelling of 102122011112111 in words is "one hundred two trillion, one hundred twenty-two billion, eleven million, one hundred twelve thousand, one hundred eleven".