102102220120102 has 16 divisors (see below), whose sum is σ = 158480309856960. Its totient is φ = 49276468620288.

The previous prime is 102102220120099. The next prime is 102102220120111. The reversal of 102102220120102 is 201021022201201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254410878 + ... + 254811889.

It is an arithmetic number, because the mean of its divisors is an integer number (9905019366060).

Almost surely, 2^{102102220120102} is an apocalyptic number.

102102220120102 is a deficient number, since it is larger than the sum of its proper divisors (56378089736858).

102102220120102 is a wasteful number, since it uses less digits than its factorization.

102102220120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509226255.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102102220120102 its reverse (201021022201201), we get a palindrome (303123242321303).

The spelling of 102102220120102 in words is "one hundred two trillion, one hundred two billion, two hundred twenty million, one hundred twenty thousand, one hundred two".