222010212001 has 4 divisors (see below), whose sum is σ = 222013999252. Its totient is φ = 222006424752.

The previous prime is 222010211993. The next prime is 222010212023. The reversal of 222010212001 is 100212010222.

It is a happy number.

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 68408925601 + 153601286400 = 261551^2 + 391920^2 .

It is a cyclic number.

It is not a de Polignac number, because 222010212001 - 2³ = 222010211993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222010212601) 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, 1804290 + ... + 1923403.

It is an arithmetic number, because the mean of its divisors is an integer number (55503499813).

Almost surely, 2^222010212001 is an apocalyptic number.

It is an amenable number.

222010212001 is a deficient number, since it is larger than the sum of its proper divisors (3787251).

222010212001 is an equidigital number, since it uses as much as digits as its factorization.

222010212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3787250.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 222010212001 its reverse (100212010222), we get a palindrome (322222222223).

The spelling of 222010212001 in words is "two hundred twenty-two billion, ten million, two hundred twelve thousand, one".