101002300021 has 16 divisors (see below), whose sum is σ = 117808230400. Its totient is φ = 86557751280.

The previous prime is 101002299997. The next prime is 101002300099. The reversal of 101002300021 is 120003200101.

It is not a de Polignac number, because 101002300021 - 2¹¹ = 101002297973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101002299980 and 101002300007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101002303021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2127475 + ... + 2174431.

It is an arithmetic number, because the mean of its divisors is an integer number (7363014400).

Almost surely, 2^101002300021 is an apocalyptic number.

It is an amenable number.

101002300021 is a deficient number, since it is larger than the sum of its proper divisors (16805930379).

101002300021 is an frugal number, since it uses more digits than its factorization.

101002300021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53249 (or 53235 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 101002300021 its reverse (120003200101), we get a palindrome (221005500122).

The spelling of 101002300021 in words is "one hundred one billion, two million, three hundred thousand, twenty-one".