20101120211003 has 16 divisors (see below), whose sum is σ = 22392313036800. Its totient is φ = 17918848369440.

The previous prime is 20101120210987. The next prime is 20101120211021. The reversal of 20101120211003 is 30011202110102.

It is a cyclic number.

It is not a de Polignac number, because 20101120211003 - 2⁴ = 20101120210987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20101120211093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51872423 + ... + 52258496.

It is an arithmetic number, because the mean of its divisors is an integer number (1399519564800).

Almost surely, 2^{20101120211003} is an apocalyptic number.

20101120211003 is a deficient number, since it is larger than the sum of its proper divisors (2291192825797).

20101120211003 is a wasteful number, since it uses less digits than its factorization.

20101120211003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104131442.

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

Adding to 20101120211003 its reverse (30011202110102), we get a palindrome (50112322321105).

The spelling of 20101120211003 in words is "twenty trillion, one hundred one billion, one hundred twenty million, two hundred eleven thousand, three".