102021022201122 has 96 divisors (see below), whose sum is σ = 242522746202880. Its totient is φ = 30866530705920.

The previous prime is 102021022201081. The next prime is 102021022201127. The reversal of 102021022201122 is 221102220120201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102021022201095 and 102021022201104.

It is not an unprimeable number, because it can be changed into a prime (102021022201127) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48033529 + ... + 50112492.

It is an arithmetic number, because the mean of its divisors is an integer number (2526278606280).

Almost surely, 2^{102021022201122} is an apocalyptic number.

102021022201122 is an abundant number, since it is smaller than the sum of its proper divisors (140501724001758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102021022201122 is a wasteful number, since it uses less digits than its factorization.

102021022201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98146168 (or 98146165 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102021022201122 its reverse (221102220120201), we get a palindrome (323123242321323).

The spelling of 102021022201122 in words is "one hundred two trillion, twenty-one billion, twenty-two million, two hundred one thousand, one hundred twenty-two".