220010111022101 has 4 divisors (see below), whose sum is σ = 231589590549600. Its totient is φ = 208430631494604.

The previous prime is 220010111022077. The next prime is 220010111022187. The reversal of 220010111022101 is 101220111010022.

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 a cyclic number.

It is not a de Polignac number, because 220010111022101 - 2²⁶ = 220010043913237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220010111021101) 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, 5789739763721 + ... + 5789739763758.

It is an arithmetic number, because the mean of its divisors is an integer number (57897397637400).

Almost surely, 2^{220010111022101} is an apocalyptic number.

It is an amenable number.

220010111022101 is a deficient number, since it is larger than the sum of its proper divisors (11579479527499).

220010111022101 is a wasteful number, since it uses less digits than its factorization.

220010111022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11579479527498.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 220010111022101 its reverse (101220111010022), we get a palindrome (321230222032123).

It can be divided in two parts, 220010 and 111022101, that added together give a palindrome (111242111).

The spelling of 220010111022101 in words is "two hundred twenty trillion, ten billion, one hundred eleven million, twenty-two thousand, one hundred one".