2120211220210 has 32 divisors (see below), whose sum is σ = 3824396398512. Its totient is φ = 846304542720.

The previous prime is 2120211220177. The next prime is 2120211220223. The reversal of 2120211220210 is 120221120212.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 786909152241 + 1333302067969 = 887079^2 + 1154687^2 .

It is a super-2 number, since 2×2120211220210² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11917632 + ... + 12094228.

Almost surely, 2^{2120211220210} is an apocalyptic number.

2120211220210 is a deficient number, since it is larger than the sum of its proper divisors (1704185178302).

2120211220210 is a wasteful number, since it uses less digits than its factorization.

2120211220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179118.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2120211220210 its reverse (120221120212), we get a palindrome (2240432340422).

The spelling of 2120211220210 in words is "two trillion, one hundred twenty billion, two hundred eleven million, two hundred twenty thousand, two hundred ten".