102122221022111 has 8 divisors (see below), whose sum is σ = 102143931563520. Its totient is φ = 102100512658392.

The previous prime is 102122221022093. The next prime is 102122221022131. The reversal of 102122221022111 is 111220122221201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102122221022111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102122221022131) 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, 95030360 + ... + 96098978.

It is an arithmetic number, because the mean of its divisors is an integer number (12767991445440).

Almost surely, 2^{102122221022111} is an apocalyptic number.

102122221022111 is a deficient number, since it is larger than the sum of its proper divisors (21710541409).

102122221022111 is a wasteful number, since it uses less digits than its factorization.

102122221022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088845.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 102122221022111 its reverse (111220122221201), we get a palindrome (213342343243312).

The spelling of 102122221022111 in words is "one hundred two trillion, one hundred twenty-two billion, two hundred twenty-one million, twenty-two thousand, one hundred eleven".