120021212011122 has 80 divisors (see below), whose sum is σ = 269669070139392. Its totient is φ = 39898104966720.

The previous prime is 120021212011111. The next prime is 120021212011159. The reversal of 120021212011122 is 221110212120021.

120021212011122 is a `hidden beast` number, since 1 + 200 + 212 + 120 + 11 + 122 = 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 = 120021212011095 and 120021212011104.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 573262423 + ... + 573471749.

Almost surely, 2^{120021212011122} is an apocalyptic number.

120021212011122 is an abundant number, since it is smaller than the sum of its proper divisors (149647858128270).

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

120021212011122 is a wasteful number, since it uses less digits than its factorization.

120021212011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218965 (or 218956 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 120021212011122 its reverse (221110212120021), we get a palindrome (341131424131143).

The spelling of 120021212011122 in words is "one hundred twenty trillion, twenty-one billion, two hundred twelve million, eleven thousand, one hundred twenty-two".