122221112120102 has 4 divisors (see below), whose sum is σ = 183331668180156. Its totient is φ = 61110556060050.

The previous prime is 122221112120053. The next prime is 122221112120113. The reversal of 122221112120102 is 201021211122221.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30555278030024 + ... + 30555278030027.

It is an arithmetic number, because the mean of its divisors is an integer number (45832917045039).

Almost surely, 2^{122221112120102} is an apocalyptic number.

122221112120102 is a deficient number, since it is larger than the sum of its proper divisors (61110556060054).

122221112120102 is an equidigital number, since it uses as much as digits as its factorization.

122221112120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61110556060053.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 122221112120102 its reverse (201021211122221), we get a palindrome (323242323242323).

The spelling of 122221112120102 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, one hundred twelve million, one hundred twenty thousand, one hundred two".