222101022102101 has 4 divisors (see below), whose sum is σ = 222103270164204. Its totient is φ = 222098774040000.

The previous prime is 222101022102053. The next prime is 222101022102131. The reversal of 222101022102101 is 101201220101222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 202291624001476 + 19809398100625 = 14222926^2 + 4450775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222101022102101 is a prime.

It is a super-2 number, since 2×222101022102101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222101022102101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222101022102131) 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, 1123882850 + ... + 1124080451.

It is an arithmetic number, because the mean of its divisors is an integer number (55525817541051).

Almost surely, 2^{222101022102101} is an apocalyptic number.

It is an amenable number.

222101022102101 is a deficient number, since it is larger than the sum of its proper divisors (2248062103).

222101022102101 is an equidigital number, since it uses as much as digits as its factorization.

222101022102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248062102.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222101022102101 its reverse (101201220101222), we get a palindrome (323302242203323).

The spelling of 222101022102101 in words is "two hundred twenty-two trillion, one hundred one billion, twenty-two million, one hundred two thousand, one hundred one".