222101011112101 has 12 divisors (see below), whose sum is σ = 246544662213612. Its totient is φ = 199910901080000.

The previous prime is 222101011112033. The next prime is 222101011112107. The reversal of 222101011112101 is 101211110101222.

It can be written as a sum of positive squares in 2 ways, for example, as 200272735650625 + 21828275461476 = 14151775^2 + 4672074^2 .

It is not a de Polignac number, because 222101011112101 - 2¹⁷ = 222101010981029 is a prime.

It is a super-2 number, since 2×222101011112101² (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 (222101011112107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9086846920 + ... + 9086871361.

It is an arithmetic number, because the mean of its divisors is an integer number (20545388517801).

Almost surely, 2^{222101011112101} is an apocalyptic number.

It is an amenable number.

222101011112101 is a deficient number, since it is larger than the sum of its proper divisors (24443651101511).

222101011112101 is a wasteful number, since it uses less digits than its factorization.

222101011112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18173718404 (or 18173718393 counting only the distinct ones).

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

Adding to 222101011112101 its reverse (101211110101222), we get a palindrome (323312121213323).

The spelling of 222101011112101 in words is "two hundred twenty-two trillion, one hundred one billion, eleven million, one hundred twelve thousand, one hundred one".