200120010121005 has 32 divisors (see below), whose sum is σ = 344887197048576. Its totient is φ = 98502041577984.

The previous prime is 200120010120997. The next prime is 200120010121013. The reversal of 200120010121005 is 500121010021002.

It is an interprime number because it is at equal distance from previous prime (200120010120997) and next prime (200120010121013).

It is not a de Polignac number, because 200120010121005 - 2³ = 200120010120997 is a prime.

It is a super-2 number, since 2×200120010121005² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95727792 + ... + 97795961.

It is an arithmetic number, because the mean of its divisors is an integer number (10777724907768).

Almost surely, 2^{200120010121005} is an apocalyptic number.

It is an amenable number.

200120010121005 is a deficient number, since it is larger than the sum of its proper divisors (144767186927571).

200120010121005 is a wasteful number, since it uses less digits than its factorization.

200120010121005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193529077.

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 200120010121005 its reverse (500121010021002), we get a palindrome (700241020142007).

The spelling of 200120010121005 in words is "two hundred trillion, one hundred twenty billion, ten million, one hundred twenty-one thousand, five".