120100222121202 has 24 divisors (see below), whose sum is σ = 275524038984636. Its totient is φ = 37678501057536.

The previous prime is 120100222121183. The next prime is 120100222121203. The reversal of 120100222121202 is 202121222001021.

It is a happy number.

120100222121202 is a `hidden beast` number, since 1 + 20 + 100 + 222 + 121 + 202 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 119260618263801 + 839603857401 = 10920651^2 + 916299^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (120100222121203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196242192703 + ... + 196242193314.

Almost surely, 2^{120100222121202} is an apocalyptic number.

120100222121202 is an abundant number, since it is smaller than the sum of its proper divisors (155423816863434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120100222121202 is a wasteful number, since it uses less digits than its factorization.

120100222121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392484386042 (or 392484386039 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 120100222121202 its reverse (202121222001021), we get a palindrome (322221444122223).

The spelling of 120100222121202 in words is "one hundred twenty trillion, one hundred billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred two".