102030021102 has 32 divisors (see below), whose sum is σ = 212948225280. Its totient is φ = 32528865600.

The previous prime is 102030021097. The next prime is 102030021157. The reversal of 102030021102 is 201120030201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3026274 + ... + 3059802.

It is an arithmetic number, because the mean of its divisors is an integer number (6654632040).

Almost surely, 2^102030021102 is an apocalyptic number.

102030021102 is an abundant number, since it is smaller than the sum of its proper divisors (110918204178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102030021102 is a wasteful number, since it uses less digits than its factorization.

102030021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55608.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 102030021102 its reverse (201120030201), we get a palindrome (303150051303).

Subtracting 102030021102 from its reverse (201120030201), we obtain a palindrome (99090009099).

The spelling of 102030021102 in words is "one hundred two billion, thirty million, twenty-one thousand, one hundred two".