122012220011021 has 8 divisors (see below), whose sum is σ = 129189597856704. Its totient is φ = 114834863102400.

The previous prime is 122012220011009. The next prime is 122012220011161. The reversal of 122012220011021 is 120110022210221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122012220011021 - 2³⁰ = 122011146269197 is a prime.

It is a super-2 number, since 2×122012220011021² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122012220011221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7673096 + ... + 17404046.

It is an arithmetic number, because the mean of its divisors is an integer number (16148699732088).

Almost surely, 2^{122012220011021} is an apocalyptic number.

It is an amenable number.

122012220011021 is a deficient number, since it is larger than the sum of its proper divisors (7177377845683).

122012220011021 is an equidigital number, since it uses as much as digits as its factorization.

122012220011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10468531.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122012220011021 its reverse (120110022210221), we get a palindrome (242122242221242).

The spelling of 122012220011021 in words is "one hundred twenty-two trillion, twelve billion, two hundred twenty million, eleven thousand, twenty-one".