222100131101 has 4 divisors (see below), whose sum is σ = 223227543132. Its totient is φ = 220972719072.

The previous prime is 222100131089. The next prime is 222100131103. The reversal of 222100131101 is 101131001222.

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 217623183001 + 4476948100 = 466501^2 + 66910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222100131101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222100131103) 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, 563705720 + ... + 563706113.

It is an arithmetic number, because the mean of its divisors is an integer number (55806885783).

Almost surely, 2^222100131101 is an apocalyptic number.

It is an amenable number.

222100131101 is a deficient number, since it is larger than the sum of its proper divisors (1127412031).

222100131101 is a wasteful number, since it uses less digits than its factorization.

222100131101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127412030.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 222100131101 its reverse (101131001222), we get a palindrome (323231132323).

The spelling of 222100131101 in words is "two hundred twenty-two billion, one hundred million, one hundred thirty-one thousand, one hundred one".