101421131311 has 4 divisors (see below), whose sum is σ = 101599376400. Its totient is φ = 101242886224.

The previous prime is 101421131299. The next prime is 101421131341. The reversal of 101421131311 is 113131124101.

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

It is a cyclic number.

It is not a de Polignac number, because 101421131311 - 2⁹ = 101421130799 is a prime.

It is a super-5 number, since 5×101421131311⁵ (a number of 56 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101421131341) 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, 89121691 + ... + 89122828.

It is an arithmetic number, because the mean of its divisors is an integer number (25399844100).

Almost surely, 2^101421131311 is an apocalyptic number.

101421131311 is a deficient number, since it is larger than the sum of its proper divisors (178245089).

101421131311 is an equidigital number, since it uses as much as digits as its factorization.

101421131311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178245088.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 101421131311 its reverse (113131124101), we get a palindrome (214552255412).

The spelling of 101421131311 in words is "one hundred one billion, four hundred twenty-one million, one hundred thirty-one thousand, three hundred eleven".