122102102012021 has 8 divisors (see below), whose sum is σ = 122134904028864. Its totient is φ = 122069303686720.

The previous prime is 122102102011909. The next prime is 122102102012057. The reversal of 122102102012021 is 120210201201221.

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 122102102012021 - 2²² = 122102097817717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122102102012521) 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, 65886536 + ... + 67714398.

It is an arithmetic number, because the mean of its divisors is an integer number (15266863003608).

Almost surely, 2^{122102102012021} is an apocalyptic number.

It is an amenable number.

122102102012021 is a deficient number, since it is larger than the sum of its proper divisors (32802016843).

122102102012021 is a wasteful number, since it uses less digits than its factorization.

122102102012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845771.

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

Adding to 122102102012021 its reverse (120210201201221), we get a palindrome (242312303213242).

The spelling of 122102102012021 in words is "one hundred twenty-two trillion, one hundred two billion, one hundred two million, twelve thousand, twenty-one".