101342302021 has 4 divisors (see below), whose sum is σ = 101346721132. Its totient is φ = 101337882912.

The previous prime is 101342301979. The next prime is 101342302037. The reversal of 101342302021 is 120203243101.

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 82147584996 + 19194717025 = 286614^2 + 138545^2 .

It is a cyclic number.

It is not a de Polignac number, because 101342302021 - 2¹¹ = 101342299973 is a prime.

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 101342302021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101342300021) 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, 2174976 + ... + 2221081.

It is an arithmetic number, because the mean of its divisors is an integer number (25336680283).

Almost surely, 2^101342302021 is an apocalyptic number.

It is an amenable number.

101342302021 is a deficient number, since it is larger than the sum of its proper divisors (4419111).

101342302021 is an equidigital number, since it uses as much as digits as its factorization.

101342302021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4419110.

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

Adding to 101342302021 its reverse (120203243101), we get a palindrome (221545545122).

The spelling of 101342302021 in words is "one hundred one billion, three hundred forty-two million, three hundred two thousand, twenty-one".