121022111221102 has 32 divisors (see below), whose sum is σ = 226572273252864. Its totient is φ = 47202556917600.

The previous prime is 121022111221097. The next prime is 121022111221153. The reversal of 121022111221102 is 201122111220121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121022111221102.

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, 4682780424 + ... + 4682806267.

It is an arithmetic number, because the mean of its divisors is an integer number (7080383539152).

Almost surely, 2^{121022111221102} is an apocalyptic number.

121022111221102 is a deficient number, since it is larger than the sum of its proper divisors (105550162031762).

121022111221102 is a wasteful number, since it uses less digits than its factorization.

121022111221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9365586784.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 121022111221102 its reverse (201122111220121), we get a palindrome (322144222441223).

The spelling of 121022111221102 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred eleven million, two hundred twenty-one thousand, one hundred two".