120121121010 has 64 divisors (see below), whose sum is σ = 317282209920. Its totient is φ = 28862561280.

The previous prime is 120121120979. The next prime is 120121121011. The reversal of 120121121010 is 10121121021.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120121121011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1573345 + ... + 1647924.

It is an arithmetic number, because the mean of its divisors is an integer number (4957534530).

Almost surely, 2^120121121010 is an apocalyptic number.

120121121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120121121010 is an abundant number, since it is smaller than the sum of its proper divisors (197161088910).

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

120121121010 is a wasteful number, since it uses less digits than its factorization.

120121121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3221403.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120121121010 its reverse (10121121021), we get a palindrome (130242242031).

It can be divided in two parts, 1201211 and 21010, that added together give a palindrome (1222221).

The spelling of 120121121010 in words is "one hundred twenty billion, one hundred twenty-one million, one hundred twenty-one thousand, ten".