2121120200210 has 24 divisors (see below), whose sum is σ = 4196662613388. Its totient is φ = 771316436000.

The previous prime is 2121120200203. The next prime is 2121120200267. The reversal of 2121120200210 is 120020211212.

It can be written as a sum of positive squares in 2 ways, for example, as 2009598265609 + 111521934601 = 1417603^2 + 333949^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 876494741 + ... + 876497160.

Almost surely, 2^{2121120200210} is an apocalyptic number.

2121120200210 is a deficient number, since it is larger than the sum of its proper divisors (2075542413178).

2121120200210 is a wasteful number, since it uses less digits than its factorization.

2121120200210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752991930 (or 1752991919 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2121120200210 its reverse (120020211212), we get a palindrome (2241140411422).

The spelling of 2121120200210 in words is "two trillion, one hundred twenty-one billion, one hundred twenty million, two hundred thousand, two hundred ten".