201000012021113 has 4 divisors (see below), whose sum is σ = 212823542140020. Its totient is φ = 189176481902208.

The previous prime is 201000012021023. The next prime is 201000012021119. The reversal of 201000012021113 is 311120210000102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 107165394693184 + 93834617327929 = 10352072^2 + 9686827^2 .

It is a cyclic number.

It is not a de Polignac number, because 201000012021113 - 2¹² = 201000012017017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201000012021119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5911765059428 + ... + 5911765059461.

It is an arithmetic number, because the mean of its divisors is an integer number (53205885535005).

Almost surely, 2^{201000012021113} is an apocalyptic number.

It is an amenable number.

201000012021113 is a deficient number, since it is larger than the sum of its proper divisors (11823530118907).

201000012021113 is a wasteful number, since it uses less digits than its factorization.

201000012021113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11823530118906.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 201000012021113 its reverse (311120210000102), we get a palindrome (512120222021215).

The spelling of 201000012021113 in words is "two hundred one trillion, twelve million, twenty-one thousand, one hundred thirteen".