122020111001 has 4 divisors (see below), whose sum is σ = 122046283392. Its totient is φ = 121993938612.

The previous prime is 122020110973. The next prime is 122020111007. The reversal of 122020111001 is 100111020221.

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 122020111001 - 2¹⁸ = 122019848857 is a prime.

It is a super-3 number, since 3×122020111001³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122020111007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13079201 + ... + 13088526.

It is an arithmetic number, because the mean of its divisors is an integer number (30511570848).

Almost surely, 2^122020111001 is an apocalyptic number.

It is an amenable number.

122020111001 is a deficient number, since it is larger than the sum of its proper divisors (26172391).

122020111001 is an equidigital number, since it uses as much as digits as its factorization.

122020111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26172390.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 122020111001 its reverse (100111020221), we get a palindrome (222131131222).

The spelling of 122020111001 in words is "one hundred twenty-two billion, twenty million, one hundred eleven thousand, one".