222010221202001 has 4 divisors (see below), whose sum is σ = 222368880687600. Its totient is φ = 221651561716404.

The previous prime is 222010221201997. The next prime is 222010221202031. The reversal of 222010221202001 is 100202122010222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222010221202001 - 2² = 222010221201997 is a prime.

It is a super-2 number, since 2×222010221202001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222010221202031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179329741871 + ... + 179329743108.

It is an arithmetic number, because the mean of its divisors is an integer number (55592220171900).

Almost surely, 2^{222010221202001} is an apocalyptic number.

It is an amenable number.

222010221202001 is a deficient number, since it is larger than the sum of its proper divisors (358659485599).

222010221202001 is an equidigital number, since it uses as much as digits as its factorization.

222010221202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358659485598.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222010221202001 its reverse (100202122010222), we get a palindrome (322212343212223).

It can be divided in two parts, 222010221 and 202001, that added together give a palindrome (222212222).

The spelling of 222010221202001 in words is "two hundred twenty-two trillion, ten billion, two hundred twenty-one million, two hundred two thousand, one".