122021112220102 has 16 divisors (see below), whose sum is σ = 192667309162560. Its totient is φ = 57798755670312.

The previous prime is 122021112220099. The next prime is 122021112220103. The reversal of 122021112220102 is 201022211120221.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 122021112220102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122021112220103) 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, 16856208 + ... + 22982035.

It is an arithmetic number, because the mean of its divisors is an integer number (12041706822660).

Almost surely, 2^{122021112220102} is an apocalyptic number.

122021112220102 is a deficient number, since it is larger than the sum of its proper divisors (70646196942458).

122021112220102 is a wasteful number, since it uses less digits than its factorization.

122021112220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39918867.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122021112220102 its reverse (201022211120221), we get a palindrome (323043323340323).

The spelling of 122021112220102 in words is "one hundred twenty-two trillion, twenty-one billion, one hundred twelve million, two hundred twenty thousand, one hundred two".