220112122121102 has 64 divisors (see below), whose sum is σ = 336126280089600. Its totient is φ = 108086587596000.

The previous prime is 220112122121077. The next prime is 220112122121119. The reversal of 220112122121102 is 201121221211022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78864965327 + ... + 78864968117.

It is an arithmetic number, because the mean of its divisors is an integer number (5251973126400).

Almost surely, 2^{220112122121102} is an apocalyptic number.

220112122121102 is a deficient number, since it is larger than the sum of its proper divisors (116014157968498).

220112122121102 is a wasteful number, since it uses less digits than its factorization.

220112122121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5973.

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

Adding to 220112122121102 its reverse (201121221211022), we get a palindrome (421233343332124).

It can be divided in two parts, 2 and 20112122121102, that multiplied together give a palindrome (40224244242204).

The spelling of 220112122121102 in words is "two hundred twenty trillion, one hundred twelve billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred two".