12101221010102 has 16 divisors (see below), whose sum is σ = 21965241497760. Its totient is φ = 4881164777088.

The previous prime is 12101221010083. The next prime is 12101221010129. The reversal of 12101221010102 is 20101012210121.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 25422732977 + ... + 25422733452.

It is an arithmetic number, because the mean of its divisors is an integer number (1372827593610).

Almost surely, 2^{12101221010102} is an apocalyptic number.

12101221010102 is a deficient number, since it is larger than the sum of its proper divisors (9864020487658).

12101221010102 is a wasteful number, since it uses less digits than its factorization.

12101221010102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50845466455.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12101221010102 its reverse (20101012210121), we get a palindrome (32202233220223).

The spelling of 12101221010102 in words is "twelve trillion, one hundred one billion, two hundred twenty-one million, ten thousand, one hundred two".