122020200012221 has 16 divisors (see below), whose sum is σ = 139548939602688. Its totient is φ = 104515786003200.

The previous prime is 122020200012211. The next prime is 122020200012229. The reversal of 122020200012221 is 122210002020221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122020200012221 - 2⁶ = 122020200012157 is a prime.

It is a super-2 number, since 2×122020200012221² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122020200012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122020200012229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318821651 + ... + 319204143.

It is an arithmetic number, because the mean of its divisors is an integer number (8721808725168).

Almost surely, 2^{122020200012221} is an apocalyptic number.

It is an amenable number.

122020200012221 is a deficient number, since it is larger than the sum of its proper divisors (17528739590467).

122020200012221 is a wasteful number, since it uses less digits than its factorization.

122020200012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414172.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122020200012221 its reverse (122210002020221), we get a palindrome (244230202032442).

The spelling of 122020200012221 in words is "one hundred twenty-two trillion, twenty billion, two hundred million, twelve thousand, two hundred twenty-one".