102112003221 has 32 divisors (see below), whose sum is σ = 147081792000. Its totient is φ = 62816845248.

The previous prime is 102112003187. The next prime is 102112003267. The reversal of 102112003221 is 122300211201.

It is not a de Polignac number, because 102112003221 - 2¹⁵ = 102111970453 is a prime.

It is a super-2 number, since 2×102112003221² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102112003221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102112008221) 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, 227286 + ... + 505848.

It is an arithmetic number, because the mean of its divisors is an integer number (4596306000).

Almost surely, 2^102112003221 is an apocalyptic number.

It is an amenable number.

102112003221 is a deficient number, since it is larger than the sum of its proper divisors (44969788779).

102112003221 is a wasteful number, since it uses less digits than its factorization.

102112003221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278753.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 102112003221 its reverse (122300211201), we get a palindrome (224412214422).

The spelling of 102112003221 in words is "one hundred two billion, one hundred twelve million, three thousand, two hundred twenty-one".