102000020213021 has 8 divisors (see below), whose sum is σ = 116573001869760. Its totient is φ = 87427426105728.

The previous prime is 102000020212973. The next prime is 102000020213059. The reversal of 102000020213021 is 120312020000201.

It is a happy number.

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 102000020213021 - 2²² = 102000016018717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102000020212987 and 102000020213005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102000020213321) 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, 96323156 + ... + 97376333.

It is an arithmetic number, because the mean of its divisors is an integer number (14571625233720).

Almost surely, 2^{102000020213021} is an apocalyptic number.

It is an amenable number.

102000020213021 is a deficient number, since it is larger than the sum of its proper divisors (14572981656739).

102000020213021 is an equidigital number, since it uses as much as digits as its factorization.

102000020213021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193774723.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 102000020213021 its reverse (120312020000201), we get a palindrome (222312040213222).

The spelling of 102000020213021 in words is "one hundred two trillion, twenty million, two hundred thirteen thousand, twenty-one".