21202201122010 has 16 divisors (see below), whose sum is σ = 38164561883136. Its totient is φ = 8480747145808.

The previous prime is 21202201122007. The next prime is 21202201122013. The reversal of 21202201122010 is 1022110220212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (21202201122007) and next prime (21202201122013).

It is not an unprimeable number, because it can be changed into a prime (21202201122013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15993574 + ... + 17268433.

It is an arithmetic number, because the mean of its divisors is an integer number (2385285117696).

Almost surely, 2^{21202201122010} is an apocalyptic number.

21202201122010 is a deficient number, since it is larger than the sum of its proper divisors (16962360761126).

21202201122010 is a wasteful number, since it uses less digits than its factorization.

21202201122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33325757.

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

Adding to 21202201122010 its reverse (1022110220212), we get a palindrome (22224311342222).

The spelling of 21202201122010 in words is "twenty-one trillion, two hundred two billion, two hundred one million, one hundred twenty-two thousand, ten".