202122020101210 has 64 divisors (see below), whose sum is σ = 402847149600000. Its totient is φ = 72398375795200.

The previous prime is 202122020101207. The next prime is 202122020101219. The reversal of 202122020101210 is 12101020221202.

It is a happy number.

It is a super-2 number, since 2×202122020101210² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202122020101219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3006835 + ... + 20329414.

It is an arithmetic number, because the mean of its divisors is an integer number (6294486712500).

Almost surely, 2^{202122020101210} is an apocalyptic number.

202122020101210 is a deficient number, since it is larger than the sum of its proper divisors (200725129498790).

202122020101210 is a wasteful number, since it uses less digits than its factorization.

202122020101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23337447.

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

Adding to 202122020101210 its reverse (12101020221202), we get a palindrome (214223040322412).

The spelling of 202122020101210 in words is "two hundred two trillion, one hundred twenty-two billion, twenty million, one hundred one thousand, two hundred ten".