101142021131 has 4 divisors (see below), whose sum is σ = 101143772352. Its totient is φ = 101140269912.

The previous prime is 101142021103. The next prime is 101142021151. The reversal of 101142021131 is 131120241101.

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 101142021131 - 2³⁴ = 83962151947 is a prime.

It is a super-2 number, since 2×101142021131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101142021151) 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, 785915 + ... + 905508.

It is an arithmetic number, because the mean of its divisors is an integer number (25285943088).

Almost surely, 2^101142021131 is an apocalyptic number.

101142021131 is a deficient number, since it is larger than the sum of its proper divisors (1751221).

101142021131 is an equidigital number, since it uses as much as digits as its factorization.

101142021131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751220.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 101142021131 its reverse (131120241101), we get a palindrome (232262262232).

The spelling of 101142021131 in words is "one hundred one billion, one hundred forty-two million, twenty-one thousand, one hundred thirty-one".