2142221020120 has 16 divisors (see below), whose sum is σ = 4819997295360. Its totient is φ = 856888408032.

The previous prime is 2142221020109. The next prime is 2142221020139. The reversal of 2142221020120 is 210201222412.

It is a super-2 number, since 2×2142221020120² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26777762712 + ... + 26777762791.

It is an arithmetic number, because the mean of its divisors is an integer number (301249830960).

Almost surely, 2^{2142221020120} is an apocalyptic number.

2142221020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2142221020120 is an abundant number, since it is smaller than the sum of its proper divisors (2677776275240).

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

2142221020120 is a wasteful number, since it uses less digits than its factorization.

2142221020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53555525514 (or 53555525510 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2142221020120 its reverse (210201222412), we get a palindrome (2352422242532).

The spelling of 2142221020120 in words is "two trillion, one hundred forty-two billion, two hundred twenty-one million, twenty thousand, one hundred twenty".