2101021200210 has 64 divisors (see below), whose sum is σ = 5080072712832. Its totient is φ = 556107296256.

The previous prime is 2101021200199. The next prime is 2101021200319. The reversal of 2101021200210 is 120021201012.

It is a super-3 number, since 3×2101021200210³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1741737 + ... + 2689923.

It is an arithmetic number, because the mean of its divisors is an integer number (79376136138).

Almost surely, 2^{2101021200210} is an apocalyptic number.

2101021200210 is an abundant number, since it is smaller than the sum of its proper divisors (2979051512622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2101021200210 is a wasteful number, since it uses less digits than its factorization.

2101021200210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948747.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2101021200210 its reverse (120021201012), we get a palindrome (2221042401222).

The spelling of 2101021200210 in words is "two trillion, one hundred one billion, twenty-one million, two hundred thousand, two hundred ten".