101402332021 has 4 divisors (see below), whose sum is σ = 101449432332. Its totient is φ = 101355231712.

The previous prime is 101402332019. The next prime is 101402332027. The reversal of 101402332021 is 120233204101.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 41959015921 + 59443316100 = 204839^2 + 243810^2 .

It is a cyclic number.

It is not a de Polignac number, because 101402332021 - 2¹ = 101402332019 is a prime.

It is a super-3 number, since 3×101402332021³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101402332021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101402332027) 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, 23546926 + ... + 23551231.

It is an arithmetic number, because the mean of its divisors is an integer number (25362358083).

Almost surely, 2^101402332021 is an apocalyptic number.

It is an amenable number.

101402332021 is a deficient number, since it is larger than the sum of its proper divisors (47100311).

101402332021 is an equidigital number, since it uses as much as digits as its factorization.

101402332021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47100310.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 101402332021 its reverse (120233204101), we get a palindrome (221635536122).

The spelling of 101402332021 in words is "one hundred one billion, four hundred two million, three hundred thirty-two thousand, twenty-one".