122002021000121 has 4 divisors (see below), whose sum is σ = 122002056867072. Its totient is φ = 122001985133172.

The previous prime is 122002021000063. The next prime is 122002021000127. The reversal of 122002021000121 is 121000120200221.

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 122002021000121 - 2¹⁴ = 122002020983737 is a prime.

It is a super-3 number, since 3×122002021000121³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122002021000096 and 122002021000105.

It is not an unprimeable number, because it can be changed into a prime (122002021000127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12225641 + ... + 19836086.

It is an arithmetic number, because the mean of its divisors is an integer number (30500514216768).

Almost surely, 2^{122002021000121} is an apocalyptic number.

It is an amenable number.

122002021000121 is a deficient number, since it is larger than the sum of its proper divisors (35866951).

122002021000121 is an equidigital number, since it uses as much as digits as its factorization.

122002021000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35866950.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122002021000121 its reverse (121000120200221), we get a palindrome (243002141200342).

The spelling of 122002021000121 in words is "one hundred twenty-two trillion, two billion, twenty-one million, one hundred twenty-one", and thus it is an aban number.