2120220112112 has 20 divisors (see below), whose sum is σ = 4139284688616. Its totient is φ = 1052017611840.

The previous prime is 2120220112103. The next prime is 2120220112117. The reversal of 2120220112112 is 2112110220212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120220112117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505775603 + ... + 505779794.

Almost surely, 2^{2120220112112} is an apocalyptic number.

It is an amenable number.

2120220112112 is a deficient number, since it is larger than the sum of its proper divisors (2019064576504).

2120220112112 is a wasteful number, since it uses less digits than its factorization.

2120220112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011555536 (or 1011555530 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2120220112112 its reverse (2112110220212), we get a palindrome (4232330332324).

The spelling of 2120220112112 in words is "two trillion, one hundred twenty billion, two hundred twenty million, one hundred twelve thousand, one hundred twelve".