10021021200102 has 64 divisors (see below), whose sum is σ = 22407789777408. Its totient is φ = 2961222432000.

The previous prime is 10021021200077. The next prime is 10021021200131. The reversal of 10021021200102 is 20100212012001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4928703 + ... + 6658389.

It is an arithmetic number, because the mean of its divisors is an integer number (350121715272).

Almost surely, 2^{10021021200102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10021021200102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11203894888704).

10021021200102 is an abundant number, since it is smaller than the sum of its proper divisors (12386768577306).

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

10021021200102 is a wasteful number, since it uses less digits than its factorization.

10021021200102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731885.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10021021200102 its reverse (20100212012001), we get a palindrome (30121233212103).

It can be divided in two parts, 100210 and 21200102, that added together give a palindrome (21300312).

The spelling of 10021021200102 in words is "ten trillion, twenty-one billion, twenty-one million, two hundred thousand, one hundred two".