101052514021 has 4 divisors (see below), whose sum is σ = 104537083500. Its totient is φ = 97567944544.

The previous prime is 101052514009. The next prime is 101052514039. The reversal of 101052514021 is 120415250101.

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 55832491521 + 45220022500 = 236289^2 + 212650^2 .

It is a cyclic number.

It is not a de Polignac number, because 101052514021 - 2⁷ = 101052513893 is a prime.

It is a super-2 number, since 2×101052514021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101052513983 and 101052514001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101052514921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1742284696 + ... + 1742284753.

It is an arithmetic number, because the mean of its divisors is an integer number (26134270875).

Almost surely, 2^101052514021 is an apocalyptic number.

It is an amenable number.

101052514021 is a deficient number, since it is larger than the sum of its proper divisors (3484569479).

101052514021 is an equidigital number, since it uses as much as digits as its factorization.

101052514021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3484569478.

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 101052514021 its reverse (120415250101), we get a palindrome (221467764122).

The spelling of 101052514021 in words is "one hundred one billion, fifty-two million, five hundred fourteen thousand, twenty-one".