220202122222101 has 4 divisors (see below), whose sum is σ = 293602829629472. Its totient is φ = 146801414814732.

The previous prime is 220202122222031. The next prime is 220202122222133. The reversal of 220202122222101 is 101222221202022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 220202122222101 - 2¹⁵ = 220202122189333 is a prime.

It is a super-2 number, since 2×220202122222101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220202122222141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36700353703681 + ... + 36700353703686.

It is an arithmetic number, because the mean of its divisors is an integer number (73400707407368).

Almost surely, 2^{220202122222101} is an apocalyptic number.

It is an amenable number.

220202122222101 is a deficient number, since it is larger than the sum of its proper divisors (73400707407371).

220202122222101 is an equidigital number, since it uses as much as digits as its factorization.

220202122222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73400707407370.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 220202122222101 its reverse (101222221202022), we get a palindrome (321424343424123).

The spelling of 220202122222101 in words is "two hundred twenty trillion, two hundred two billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred one".