222231202120001 has 4 divisors (see below), whose sum is σ = 222292405979904. Its totient is φ = 222169998260100.

The previous prime is 222231202119959. The next prime is 222231202120079. The reversal of 222231202120001 is 100021202132222.

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 222231202120001 - 2³⁴ = 222214022250817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222231202126001) 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, 30601924505 + ... + 30601931766.

It is an arithmetic number, because the mean of its divisors is an integer number (55573101494976).

Almost surely, 2^{222231202120001} is an apocalyptic number.

It is an amenable number.

222231202120001 is a deficient number, since it is larger than the sum of its proper divisors (61203859903).

222231202120001 is an equidigital number, since it uses as much as digits as its factorization.

222231202120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61203859902.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 222231202120001 its reverse (100021202132222), we get a palindrome (322252404252223).

The spelling of 222231202120001 in words is "two hundred twenty-two trillion, two hundred thirty-one billion, two hundred two million, one hundred twenty thousand, one".