121102201020010 has 64 divisors (see below), whose sum is σ = 263795860062720. Its totient is φ = 39075846451200.

The previous prime is 121102201019999. The next prime is 121102201020013. The reversal of 121102201020010 is 10020102201121.

It is a super-2 number, since 2×121102201020010² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121102201020013) 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, 15303651 + ... + 21826729.

It is an arithmetic number, because the mean of its divisors is an integer number (4121810313480).

Almost surely, 2^{121102201020010} is an apocalyptic number.

121102201020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121102201020010 is an abundant number, since it is smaller than the sum of its proper divisors (142693659042710).

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

121102201020010 is a wasteful number, since it uses less digits than its factorization.

121102201020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6538711.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121102201020010 its reverse (10020102201121), we get a palindrome (131122303221131).

The spelling of 121102201020010 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred one million, twenty thousand, ten".