102121120220102 has 16 divisors (see below), whose sum is σ = 161300312381040. Its totient is φ = 48356230704768.

The previous prime is 102121120220101. The next prime is 102121120220219. The reversal of 102121120220102 is 201022021121201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102121120220101) 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, 470209583 + ... + 470426714.

It is an arithmetic number, because the mean of its divisors is an integer number (10081269523815).

Almost surely, 2^{102121120220102} is an apocalyptic number.

102121120220102 is a deficient number, since it is larger than the sum of its proper divisors (59179192160938).

102121120220102 is a wasteful number, since it uses less digits than its factorization.

102121120220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940639175.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102121120220102 its reverse (201022021121201), we get a palindrome (303143141341303).

The spelling of 102121120220102 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred twenty million, two hundred twenty thousand, one hundred two".