102220020012111 has 16 divisors (see below), whose sum is σ = 143807470784640. Its totient is φ = 64406663425440.

The previous prime is 102220020012029. The next prime is 102220020012137. The reversal of 102220020012111 is 111210020022201.

It is not a de Polignac number, because 102220020012111 - 2²⁵ = 102219986457679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102220020012311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2129825985 + ... + 2129873978.

It is an arithmetic number, because the mean of its divisors is an integer number (8987966924040).

Almost surely, 2^{102220020012111} is an apocalyptic number.

102220020012111 is a deficient number, since it is larger than the sum of its proper divisors (41587450772529).

102220020012111 is a wasteful number, since it uses less digits than its factorization.

102220020012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4259700406.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102220020012111 its reverse (111210020022201), we get a palindrome (213430040034312).

The spelling of 102220020012111 in words is "one hundred two trillion, two hundred twenty billion, twenty million, twelve thousand, one hundred eleven".