2100120331322 has 16 divisors (see below), whose sum is σ = 3393263423592. Its totient is φ = 969068778240.

The previous prime is 2100120331297. The next prime is 2100120331357. The reversal of 2100120331322 is 2231330210012.

It can be written as a sum of positive squares in 4 ways, for example, as 1973774917921 + 126345413401 = 1404911^2 + 355451^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2100120331294 and 2100120331303.

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, 8945579 + ... + 9177342.

Almost surely, 2^{2100120331322} is an apocalyptic number.

2100120331322 is a deficient number, since it is larger than the sum of its proper divisors (1293143092270).

2100120331322 is a wasteful number, since it uses less digits than its factorization.

2100120331322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18127393.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2100120331322 its reverse (2231330210012), we get a palindrome (4331450541334).

The spelling of 2100120331322 in words is "two trillion, one hundred billion, one hundred twenty million, three hundred thirty-one thousand, three hundred twenty-two".