101210222200021 has 32 divisors (see below), whose sum is σ = 112564409443200. Its totient is φ = 90232505088000.

The previous prime is 101210222199979. The next prime is 101210222200033. The reversal of 101210222200021 is 120002222012101.

It is a happy number.

It is not a de Polignac number, because 101210222200021 - 2²⁷ = 101210087982293 is a prime.

It is a super-4 number, since 4×101210222200021⁴ (a number of 57 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101210222199968 and 101210222200004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101210222200421) 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, 781789305 + ... + 781918753.

It is an arithmetic number, because the mean of its divisors is an integer number (3517637795100).

Almost surely, 2^{101210222200021} is an apocalyptic number.

101210222200021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101210222200021 is a deficient number, since it is larger than the sum of its proper divisors (11354187243179).

101210222200021 is a wasteful number, since it uses less digits than its factorization.

101210222200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136245.

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

Adding to 101210222200021 its reverse (120002222012101), we get a palindrome (221212444212122).

The spelling of 101210222200021 in words is "one hundred one trillion, two hundred ten billion, two hundred twenty-two million, two hundred thousand, twenty-one".