101131432120021 has 8 divisors (see below), whose sum is σ = 105540803735040. Its totient is φ = 96723089907312.

The previous prime is 101131432120009. The next prime is 101131432120027. The reversal of 101131432120021 is 120021234131101.

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 101131432120021 - 2⁵ = 101131432119989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101131432119974 and 101131432120001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101131432120027) 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, 257149806 + ... + 257542783.

It is an arithmetic number, because the mean of its divisors is an integer number (13192600466880).

Almost surely, 2^{101131432120021} is an apocalyptic number.

It is an amenable number.

101131432120021 is a deficient number, since it is larger than the sum of its proper divisors (4409371615019).

101131432120021 is an equidigital number, since it uses as much as digits as its factorization.

101131432120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514701155.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 101131432120021 its reverse (120021234131101), we get a palindrome (221152666251122).

The spelling of 101131432120021 in words is "one hundred one trillion, one hundred thirty-one billion, four hundred thirty-two million, one hundred twenty thousand, twenty-one".