200121102000003 has 32 divisors (see below), whose sum is σ = 280781318430720. Its totient is φ = 126539744348160.

The previous prime is 200121101999999. The next prime is 200121102000023. The reversal of 200121102000003 is 300000201121002.

It is not a de Polignac number, because 200121102000003 - 2² = 200121101999999 is a prime.

It is a super-2 number, since 2×200121102000003² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200121102000023) 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, 20131918 + ... + 28381971.

It is an arithmetic number, because the mean of its divisors is an integer number (8774416200960).

Almost surely, 2^{200121102000003} is an apocalyptic number.

200121102000003 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

200121102000003 is a deficient number, since it is larger than the sum of its proper divisors (80660216430717).

200121102000003 is a wasteful number, since it uses less digits than its factorization.

200121102000003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48514419.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 200121102000003 its reverse (300000201121002), we get a palindrome (500121303121005).

The spelling of 200121102000003 in words is "two hundred trillion, one hundred twenty-one billion, one hundred two million, three", and thus it is an aban number.