121000202110 has 16 divisors (see below), whose sum is σ = 229263541200. Its totient is φ = 45852708096.

The previous prime is 121000202101. The next prime is 121000202111. The reversal of 121000202110 is 11202000121.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000202111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318421395 + ... + 318421774.

It is an arithmetic number, because the mean of its divisors is an integer number (14328971325).

Almost surely, 2^121000202110 is an apocalyptic number.

121000202110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121000202110 is a deficient number, since it is larger than the sum of its proper divisors (108263339090).

121000202110 is a wasteful number, since it uses less digits than its factorization.

121000202110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636843195.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 121000202110 its reverse (11202000121), we get a palindrome (132202202231).

The spelling of 121000202110 in words is "one hundred twenty-one billion, two hundred two thousand, one hundred ten".