122220002211001 has 4 divisors (see below), whose sum is σ = 123593260662900. Its totient is φ = 120846743759104.

The previous prime is 122220002210989. The next prime is 122220002211029. The reversal of 122220002211001 is 100112200022221.

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 25104909830400 + 97115092380601 = 5010480^2 + 9854699^2 .

It is a cyclic number.

It is not a de Polignac number, because 122220002211001 - 2⁹ = 122220002210489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122220002211031) 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, 686629225816 + ... + 686629225993.

It is an arithmetic number, because the mean of its divisors is an integer number (30898315165725).

Almost surely, 2^{122220002211001} is an apocalyptic number.

It is an amenable number.

122220002211001 is a deficient number, since it is larger than the sum of its proper divisors (1373258451899).

122220002211001 is an equidigital number, since it uses as much as digits as its factorization.

122220002211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373258451898.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122220002211001 its reverse (100112200022221), we get a palindrome (222332202233222).

The spelling of 122220002211001 in words is "one hundred twenty-two trillion, two hundred twenty billion, two million, two hundred eleven thousand, one".