10200102021221 has 32 divisors (see below), whose sum is σ = 11813583728640. Its totient is φ = 8626326984000.

The previous prime is 10200102021209. The next prime is 10200102021247. The reversal of 10200102021221 is 12212020100201.

It is a cyclic number.

It is not a de Polignac number, because 10200102021221 - 2⁶ = 10200102021157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10200102021196 and 10200102021205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200102021251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 594160580 + ... + 594177746.

It is an arithmetic number, because the mean of its divisors is an integer number (369174491520).

Almost surely, 2^{10200102021221} is an apocalyptic number.

It is an amenable number.

10200102021221 is a deficient number, since it is larger than the sum of its proper divisors (1613481707419).

10200102021221 is a wasteful number, since it uses less digits than its factorization.

10200102021221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20145.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10200102021221 its reverse (12212020100201), we get a palindrome (22412122121422).

The spelling of 10200102021221 in words is "ten trillion, two hundred billion, one hundred two million, twenty-one thousand, two hundred twenty-one".