2100020131311 has 8 divisors (see below), whose sum is σ = 2890350288384. Its totient is φ = 1354851697560.

The previous prime is 2100020131267. The next prime is 2100020131331. The reversal of 2100020131311 is 1131310200012.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-2100020131311 is a prime.

It is a super-2 number, since 2×2100020131311² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100020131331) 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, 11290430721 + ... + 11290430906.

It is an arithmetic number, because the mean of its divisors is an integer number (361293786048).

Almost surely, 2^{2100020131311} is an apocalyptic number.

2100020131311 is a deficient number, since it is larger than the sum of its proper divisors (790330157073).

2100020131311 is a wasteful number, since it uses less digits than its factorization.

2100020131311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22580861661.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 2100020131311 its reverse (1131310200012), we get a palindrome (3231330331323).

The spelling of 2100020131311 in words is "two trillion, one hundred billion, twenty million, one hundred thirty-one thousand, three hundred eleven".