222112120202101 has 4 divisors (see below), whose sum is σ = 222284433717900. Its totient is φ = 221939806686304.

The previous prime is 222112120202099. The next prime is 222112120202173. The reversal of 222112120202101 is 101202021211222.

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 152339527908100 + 69772592294001 = 12342590^2 + 8352999^2 .

It is a cyclic number.

It is not a de Polignac number, because 222112120202101 - 2¹ = 222112120202099 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 (222112120202501) 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, 86156755966 + ... + 86156758543.

It is an arithmetic number, because the mean of its divisors is an integer number (55571108429475).

Almost surely, 2^{222112120202101} is an apocalyptic number.

It is an amenable number.

222112120202101 is a deficient number, since it is larger than the sum of its proper divisors (172313515799).

222112120202101 is a wasteful number, since it uses less digits than its factorization.

222112120202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172313515798.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222112120202101 its reverse (101202021211222), we get a palindrome (323314141413323).

The spelling of 222112120202101 in words is "two hundred twenty-two trillion, one hundred twelve billion, one hundred twenty million, two hundred two thousand, one hundred one".