120121011202010 has 128 divisors (see below), whose sum is σ = 266499878561280. Its totient is φ = 37961260913664.

The previous prime is 120121011201967. The next prime is 120121011202033. The reversal of 120121011202010 is 10202110121021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2306932256 + ... + 2306984324.

It is an arithmetic number, because the mean of its divisors is an integer number (2082030301260).

Almost surely, 2^{120121011202010} is an apocalyptic number.

120121011202010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120121011202010 is an abundant number, since it is smaller than the sum of its proper divisors (146378867359270).

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

120121011202010 is a wasteful number, since it uses less digits than its factorization.

120121011202010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55720.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120121011202010 its reverse (10202110121021), we get a palindrome (130323121323031).

It can be divided in two parts, 120121011 and 202010, that added together give a palindrome (120323021).

The spelling of 120121011202010 in words is "one hundred twenty trillion, one hundred twenty-one billion, eleven million, two hundred two thousand, ten".