102122120202 has 64 divisors (see below), whose sum is σ = 212257013760. Its totient is φ = 32720529600.

The previous prime is 102122120173. The next prime is 102122120203. The reversal of 102122120202 is 202021221201.

It is not an unprimeable number, because it can be changed into a prime (102122120203) 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, 48375127 + ... + 48377237.

It is an arithmetic number, because the mean of its divisors is an integer number (3316515840).

Almost surely, 2^102122120202 is an apocalyptic number.

102122120202 is an abundant number, since it is smaller than the sum of its proper divisors (110134893558).

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

102122120202 is a wasteful number, since it uses less digits than its factorization.

102122120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3779.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102122120202 its reverse (202021221201), we get a palindrome (304143341403).

The spelling of 102122120202 in words is "one hundred two billion, one hundred twenty-two million, one hundred twenty thousand, two hundred two".