10021321102 has 16 divisors (see below), whose sum is σ = 16284083760. Its totient is φ = 4625223096.

The previous prime is 10021321091. The next prime is 10021321117. The reversal of 10021321102 is 20112312001.

10021321102 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1135948 + ... + 1144735.

It is an arithmetic number, because the mean of its divisors is an integer number (1017755235).

Almost surely, 2^10021321102 is an apocalyptic number.

10021321102 is a deficient number, since it is larger than the sum of its proper divisors (6262762658).

10021321102 is an equidigital number, since it uses as much as digits as its factorization.

10021321102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280724 (or 2280698 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10021321102 its reverse (20112312001), we get a palindrome (30133633103).

The spelling of 10021321102 in words is "ten billion, twenty-one million, three hundred twenty-one thousand, one hundred two".