102010010221 has 16 divisors (see below), whose sum is σ = 120461967360. Its totient is φ = 84533376240.

The previous prime is 102010010213. The next prime is 102010010227. The reversal of 102010010221 is 122010010201.

It is a cyclic number.

It is not a de Polignac number, because 102010010221 - 2³ = 102010010213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102010010198 and 102010010207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102010010227) 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, 9541 + ... + 451786.

It is an arithmetic number, because the mean of its divisors is an integer number (7528872960).

Almost surely, 2^102010010221 is an apocalyptic number.

It is an amenable number.

102010010221 is a deficient number, since it is larger than the sum of its proper divisors (18451957139).

102010010221 is a wasteful number, since it uses less digits than its factorization.

102010010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462384.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102010010221 its reverse (122010010201), we get a palindrome (224020020422).

The spelling of 102010010221 in words is "one hundred two billion, ten million, ten thousand, two hundred twenty-one".