2120220220100 has 36 divisors (see below), whose sum is σ = 4843029349200. Its totient is φ = 803451872160.

The previous prime is 2120220220051. The next prime is 2120220220169. The reversal of 2120220220100 is 10220220212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 557950790 + ... + 557954589.

Almost surely, 2^{2120220220100} is an apocalyptic number.

2120220220100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120220220100 is an abundant number, since it is smaller than the sum of its proper divisors (2722809129100).

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

2120220220100 is a wasteful number, since it uses less digits than its factorization.

2120220220100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115905412 (or 1115905405 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2120220220100 its reverse (10220220212), we get a palindrome (2130440440312).

The spelling of 2120220220100 in words is "two trillion, one hundred twenty billion, two hundred twenty million, two hundred twenty thousand, one hundred".