122021221120102 has 4 divisors (see below), whose sum is σ = 183031831680156. Its totient is φ = 61010610560050.

The previous prime is 122021221120081. The next prime is 122021221120147. The reversal of 122021221120102 is 201021122120221.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 122021221120102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30505305280024 + ... + 30505305280027.

It is an arithmetic number, because the mean of its divisors is an integer number (45757957920039).

Almost surely, 2^{122021221120102} is an apocalyptic number.

122021221120102 is a deficient number, since it is larger than the sum of its proper divisors (61010610560054).

122021221120102 is an equidigital number, since it uses as much as digits as its factorization.

122021221120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61010610560053.

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

Adding to 122021221120102 its reverse (201021122120221), we get a palindrome (323042343240323).

The spelling of 122021221120102 in words is "one hundred twenty-two trillion, twenty-one billion, two hundred twenty-one million, one hundred twenty thousand, one hundred two".