120121201002222 has 72 divisors (see below), whose sum is σ = 310937008525416. Its totient is φ = 33392766292704.

The previous prime is 120121201002221. The next prime is 120121201002239. The reversal of 120121201002222 is 222200102121021.

It is a happy number.

120121201002222 is a `hidden beast` number, since 120 + 121 + 201 + 0 + 0 + 2 + 222 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 120121201002195 and 120121201002204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120121201002221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1840397608 + ... + 1840462875.

It is an arithmetic number, because the mean of its divisors is an integer number (4318569562853).

Almost surely, 2^{120121201002222} is an apocalyptic number.

120121201002222 is an abundant number, since it is smaller than the sum of its proper divisors (190815807523194).

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

120121201002222 is a wasteful number, since it uses less digits than its factorization.

120121201002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3680860542 (or 3680860532 counting only the distinct ones).

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

Adding to 120121201002222 its reverse (222200102121021), we get a palindrome (342321303123243).

The spelling of 120121201002222 in words is "one hundred twenty trillion, one hundred twenty-one billion, two hundred one million, two thousand, two hundred twenty-two".