2120154022 has 16 divisors (see below), whose sum is σ = 3653386272. Its totient is φ = 903928320.

The previous prime is 2120154019. The next prime is 2120154037. The reversal of 2120154022 is 2204510212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389629 + ... + 395032.

It is an arithmetic number, because the mean of its divisors is an integer number (228336642).

Almost surely, 2^2120154022 is an apocalyptic number.

2120154022 is a deficient number, since it is larger than the sum of its proper divisors (1533232250).

2120154022 is a wasteful number, since it uses less digits than its factorization.

2120154022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784863.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2120154022 is about 46045.1302745469. The cubic root of 2120154022 is about 1284.6627672637.

Adding to 2120154022 its reverse (2204510212), we get a palindrome (4324664234).

The spelling of 2120154022 in words is "two billion, one hundred twenty million, one hundred fifty-four thousand, twenty-two".