121021202010 has 32 divisors (see below), whose sum is σ = 290487461760. Its totient is φ = 32268256448.

The previous prime is 121021201981. The next prime is 121021202051. The reversal of 121021202010 is 10202120121.

It is a super-2 number, since 2×121021202010² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7902 + ... + 492041.

It is an arithmetic number, because the mean of its divisors is an integer number (9077733180).

Almost surely, 2^121021202010 is an apocalyptic number.

121021202010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121021202010 is an abundant number, since it is smaller than the sum of its proper divisors (169466259750).

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

121021202010 is a wasteful number, since it uses less digits than its factorization.

121021202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508022.

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

Adding to 121021202010 its reverse (10202120121), we get a palindrome (131223322131).

The spelling of 121021202010 in words is "one hundred twenty-one billion, twenty-one million, two hundred two thousand, ten".