122102002021021 has 8 divisors (see below), whose sum is σ = 133219829124000. Its totient is φ = 110987115768240.

The previous prime is 122102002020923. The next prime is 122102002021061. The reversal of 122102002021021 is 120120200201221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 122102002021021 - 2⁷ = 122102002020893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122102002020986 and 122102002021004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122102002021061) 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, 735125731 + ... + 735291808.

It is an arithmetic number, because the mean of its divisors is an integer number (16652478640500).

Almost surely, 2^{122102002021021} is an apocalyptic number.

122102002021021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122102002021021 is a deficient number, since it is larger than the sum of its proper divisors (11117827102979).

122102002021021 is a wasteful number, since it uses less digits than its factorization.

122102002021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470425099.

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

Adding to 122102002021021 its reverse (120120200201221), we get a palindrome (242222202222242).

The spelling of 122102002021021 in words is "one hundred twenty-two trillion, one hundred two billion, two million, twenty-one thousand, twenty-one".