220112121102 has 64 divisors (see below), whose sum is σ = 455143449600. Its totient is φ = 70912195200.

The previous prime is 220112121077. The next prime is 220112121121. The reversal of 220112121102 is 201121211022.

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, 22226352 + ... + 22236252.

It is an arithmetic number, because the mean of its divisors is an integer number (7111616400).

Almost surely, 2^220112121102 is an apocalyptic number.

220112121102 is an abundant number, since it is smaller than the sum of its proper divisors (235031328498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220112121102 is a wasteful number, since it uses less digits than its factorization.

220112121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10601.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220112121102 its reverse (201121211022), we get a palindrome (421233332124).

It can be divided in two parts, 2 and 20112121102, that multiplied together give a palindrome (40224242204).

The spelling of 220112121102 in words is "two hundred twenty billion, one hundred twelve million, one hundred twenty-one thousand, one hundred two".