20100010111201 has 8 divisors (see below), whose sum is σ = 21493080120744. Its totient is φ = 18730353043200.

The previous prime is 20100010111189. The next prime is 20100010111297. The reversal of 20100010111201 is 10211101000102.

It can be written as a sum of positive squares in 4 ways, for example, as 8166792217600 + 11933217893601 = 2857760^2 + 3454449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20100010111201 - 2²⁵ = 20099976556769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20100010111801) 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, 5853233610 + ... + 5853237043.

It is an arithmetic number, because the mean of its divisors is an integer number (2686635015093).

Almost surely, 2^{20100010111201} is an apocalyptic number.

It is an amenable number.

20100010111201 is a deficient number, since it is larger than the sum of its proper divisors (1393070009543).

20100010111201 is a wasteful number, since it uses less digits than its factorization.

20100010111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11706470771.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20100010111201 its reverse (10211101000102), we get a palindrome (30311111111303).

The spelling of 20100010111201 in words is "twenty trillion, one hundred billion, ten million, one hundred eleven thousand, two hundred one".