210112220222001 has 12 divisors (see below), whose sum is σ = 303497298653380. Its totient is φ = 140073950661120.

The previous prime is 210112220221997. The next prime is 210112220222089. The reversal of 210112220222001 is 100222022211012.

It is a happy number.

210112220222001 is a `hidden beast` number, since 210 + 1 + 12 + 220 + 2 + 220 + 0 + 1 = 666.

210112220222001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 177093681599025 + 33018538622976 = 13307655^2 + 5746176^2 .

It is not a de Polignac number, because 210112220222001 - 2² = 210112220221997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210112220224001) 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, 70357660 + ... + 73283181.

Almost surely, 2^{210112220222001} is an apocalyptic number.

It is an amenable number.

210112220222001 is a deficient number, since it is larger than the sum of its proper divisors (93385078431379).

210112220222001 is a wasteful number, since it uses less digits than its factorization.

210112220222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143803376 (or 143803373 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 210112220222001 its reverse (100222022211012), we get a palindrome (310334242433013).

The spelling of 210112220222001 in words is "two hundred ten trillion, one hundred twelve billion, two hundred twenty million, two hundred twenty-two thousand, one".