101221000102 has 24 divisors (see below), whose sum is σ = 160323251616. Its totient is φ = 47922843024.

The previous prime is 101221000087. The next prime is 101221000117. The reversal of 101221000102 is 201000122101.

It is an interprime number because it is at equal distance from previous prime (101221000087) and next prime (101221000117).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1455508 + ... + 1523464.

It is an arithmetic number, because the mean of its divisors is an integer number (6680135484).

Almost surely, 2^101221000102 is an apocalyptic number.

101221000102 is a deficient number, since it is larger than the sum of its proper divisors (59102251514).

101221000102 is a wasteful number, since it uses less digits than its factorization.

101221000102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70060 (or 70041 counting only the distinct ones).

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

Adding to 101221000102 its reverse (201000122101), we get a palindrome (302221122203).

The spelling of 101221000102 in words is "one hundred one billion, two hundred twenty-one million, one hundred two", and thus it is an aban number.