120101021020002 has 32 divisors (see below), whose sum is σ = 267613880500224. Its totient is φ = 35619903074000.

The previous prime is 120101021019977. The next prime is 120101021020003. The reversal of 120101021020002 is 200020120101021.

It is a self number, because there is not a number n which added to its sum of digits gives 120101021020002.

It is not an unprimeable number, because it can be changed into a prime (120101021020003) 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, 19358639874 + ... + 19358646077.

It is an arithmetic number, because the mean of its divisors is an integer number (8362933765632).

Almost surely, 2^{120101021020002} is an apocalyptic number.

120101021020002 is an abundant number, since it is smaller than the sum of its proper divisors (147512859480222).

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

120101021020002 is a wasteful number, since it uses less digits than its factorization.

120101021020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38717286014.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120101021020002 its reverse (200020120101021), we get a palindrome (320121141121023).

The spelling of 120101021020002 in words is "one hundred twenty trillion, one hundred one billion, twenty-one million, twenty thousand, two".