122110021211001 has 4 divisors (see below), whose sum is σ = 162813361614672. Its totient is φ = 81406680807332.

The previous prime is 122110021210937. The next prime is 122110021211053. The reversal of 122110021211001 is 100112120011221.

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 122110021211001 - 2⁶ = 122110021210937 is a prime.

It is a super-2 number, since 2×122110021211001² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122110021211401) 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, 20351670201831 + ... + 20351670201836.

It is an arithmetic number, because the mean of its divisors is an integer number (40703340403668).

Almost surely, 2^{122110021211001} is an apocalyptic number.

It is an amenable number.

122110021211001 is a deficient number, since it is larger than the sum of its proper divisors (40703340403671).

122110021211001 is an equidigital number, since it uses as much as digits as its factorization.

122110021211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40703340403670.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 122110021211001 its reverse (100112120011221), we get a palindrome (222222141222222).

The spelling of 122110021211001 in words is "one hundred twenty-two trillion, one hundred ten billion, twenty-one million, two hundred eleven thousand, one".