120121012101010 has 16 divisors (see below), whose sum is σ = 216218166440472. Its totient is φ = 48048328249600.

The previous prime is 120121012100987. The next prime is 120121012101059. The reversal of 120121012101010 is 10101210121021.

It is a happy number.

120121012101010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 70624341861241 + 49496670239769 = 8403829^2 + 7035387^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2755561 + ... + 15742780.

Almost surely, 2^{120121012101010} is an apocalyptic number.

120121012101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120121012101010 is a deficient number, since it is larger than the sum of its proper divisors (96097154339462).

120121012101010 is a wasteful number, since it uses less digits than its factorization.

120121012101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19147709.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 120121012101010 its reverse (10101210121021), we get a palindrome (130222222222031).

The spelling of 120121012101010 in words is "one hundred twenty trillion, one hundred twenty-one billion, twelve million, one hundred one thousand, ten".