2121211201210 has 8 divisors (see below), whose sum is σ = 3818180162196. Its totient is φ = 848484480480.

The previous prime is 2121211201163. The next prime is 2121211201229. The reversal of 2121211201210 is 121021121212.

It can be written as a sum of positive squares in 2 ways, for example, as 1999002927321 + 122208273889 = 1413861^2 + 349583^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2121211201210² (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 3 ways as a sum of consecutive naturals, for example, 106060560051 + ... + 106060560070.

Almost surely, 2^{2121211201210} is an apocalyptic number.

2121211201210 is a deficient number, since it is larger than the sum of its proper divisors (1696968960986).

2121211201210 is a wasteful number, since it uses less digits than its factorization.

2121211201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212121120128.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2121211201210 its reverse (121021121212), we get a palindrome (2242232322422).

The spelling of 2121211201210 in words is "two trillion, one hundred twenty-one billion, two hundred eleven million, two hundred one thousand, two hundred ten".