10221121202210 has 32 divisors (see below), whose sum is σ = 18450851898240. Its totient is φ = 4076708551168.

The previous prime is 10221121202183. The next prime is 10221121202233. The reversal of 10221121202210 is 1220212112201.

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, 142163051 + ... + 142234929.

It is an arithmetic number, because the mean of its divisors is an integer number (576589121820).

Almost surely, 2^{10221121202210} is an apocalyptic number.

10221121202210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10221121202210 is a deficient number, since it is larger than the sum of its proper divisors (8229730696030).

10221121202210 is a wasteful number, since it uses less digits than its factorization.

10221121202210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112522.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10221121202210 its reverse (1220212112201), we get a palindrome (11441333314411).

Subtracting from 10221121202210 its reverse (1220212112201), we obtain a palindrome (9000909090009).

The spelling of 10221121202210 in words is "ten trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred two thousand, two hundred ten".