120021001010 has 64 divisors (see below), whose sum is σ = 233802961920. Its totient is φ = 44212754880.

The previous prime is 120021001007. The next prime is 120021001057. The reversal of 120021001010 is 10100120021.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1689059 + ... + 1758681.

It is an arithmetic number, because the mean of its divisors is an integer number (3653171280).

Almost surely, 2^120021001010 is an apocalyptic number.

120021001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120021001010 is a deficient number, since it is larger than the sum of its proper divisors (113781960910).

120021001010 is a wasteful number, since it uses less digits than its factorization.

120021001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69903.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 120021001010 its reverse (10100120021), we get a palindrome (130121121031).

The spelling of 120021001010 in words is "one hundred twenty billion, twenty-one million, one thousand, ten".