120021120221002 has 128 divisors (see below), whose sum is σ = 246932545241088. Its totient is φ = 42234291475200.

The previous prime is 120021120220973. The next prime is 120021120221011. The reversal of 120021120221002 is 200122021120021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 341479668 + ... + 341830960.

It is an arithmetic number, because the mean of its divisors is an integer number (1929160509696).

Almost surely, 2^{120021120221002} is an apocalyptic number.

120021120221002 is an abundant number, since it is smaller than the sum of its proper divisors (126911425020086).

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

120021120221002 is a wasteful number, since it uses less digits than its factorization.

120021120221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355004.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120021120221002 its reverse (200122021120021), we get a palindrome (320143141341023).

The spelling of 120021120221002 in words is "one hundred twenty trillion, twenty-one billion, one hundred twenty million, two hundred twenty-one thousand, two".