121210112102 has 32 divisors (see below), whose sum is σ = 198096710400. Its totient is φ = 55447926688.

The previous prime is 121210112087. The next prime is 121210112123. The reversal of 121210112102 is 201211012121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281852 + ... + 567327.

It is an arithmetic number, because the mean of its divisors is an integer number (6190522200).

Almost surely, 2^121210112102 is an apocalyptic number.

121210112102 is a deficient number, since it is larger than the sum of its proper divisors (76886598298).

121210112102 is a wasteful number, since it uses less digits than its factorization.

121210112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849340.

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

Adding to 121210112102 its reverse (201211012121), we get a palindrome (322421124223).

The spelling of 121210112102 in words is "one hundred twenty-one billion, two hundred ten million, one hundred twelve thousand, one hundred two".