121210222102 has 16 divisors (see below), whose sum is σ = 182634408432. Its totient is φ = 60332659200.

The previous prime is 121210222079. The next prime is 121210222171. The reversal of 121210222102 is 201222012121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281473 + ... + 567139.

It is an arithmetic number, because the mean of its divisors is an integer number (11414650527).

Almost surely, 2^121210222102 is an apocalyptic number.

121210222102 is a deficient number, since it is larger than the sum of its proper divisors (61424186330).

121210222102 is a wasteful number, since it uses less digits than its factorization.

121210222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286623.

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

Adding to 121210222102 its reverse (201222012121), we get a palindrome (322432234223).

The spelling of 121210222102 in words is "one hundred twenty-one billion, two hundred ten million, two hundred twenty-two thousand, one hundred two".