102022012122221 has 8 divisors (see below), whose sum is σ = 102269609940960. Its totient is φ = 101774678692752.

The previous prime is 102022012122181. The next prime is 102022012122227. The reversal of 102022012122221 is 122221210220201.

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 102022012122221 - 2³⁰ = 102020938380397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102022012122193 and 102022012122202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102022012122227) 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, 65324615 + ... + 66868148.

It is an arithmetic number, because the mean of its divisors is an integer number (12783701242620).

Almost surely, 2^{102022012122221} is an apocalyptic number.

It is an amenable number.

102022012122221 is a deficient number, since it is larger than the sum of its proper divisors (247597818739).

102022012122221 is a wasteful number, since it uses less digits than its factorization.

102022012122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132194635.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 102022012122221 its reverse (122221210220201), we get a palindrome (224243222342422).

The spelling of 102022012122221 in words is "one hundred two trillion, twenty-two billion, twelve million, one hundred twenty-two thousand, two hundred twenty-one".