102122020101111 has 32 divisors (see below), whose sum is σ = 140496544542720. Its totient is φ = 65949875149824.

The previous prime is 102122020101107. The next prime is 102122020101121. The reversal of 102122020101111 is 111101020221201.

It is a happy number.

It is not a de Polignac number, because 102122020101111 - 2² = 102122020101107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102122020101121) 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, 10409631 + ... + 17680623.

It is an arithmetic number, because the mean of its divisors is an integer number (4390517016960).

Almost surely, 2^{102122020101111} is an apocalyptic number.

102122020101111 is a deficient number, since it is larger than the sum of its proper divisors (38374524441609).

102122020101111 is a wasteful number, since it uses less digits than its factorization.

102122020101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7272215.

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

Adding to 102122020101111 its reverse (111101020221201), we get a palindrome (213223040322312).

The spelling of 102122020101111 in words is "one hundred two trillion, one hundred twenty-two billion, twenty million, one hundred one thousand, one hundred eleven".