10200021102 has 24 divisors (see below), whose sum is σ = 22697345736. Its totient is φ = 3308114736.

The previous prime is 10200021101. The next prime is 10200021103. The reversal of 10200021102 is 20112000201.

It is an interprime number because it is at equal distance from previous prime (10200021101) and next prime (10200021103).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200021101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7657008 + ... + 7658339.

It is an arithmetic number, because the mean of its divisors is an integer number (945722739).

Almost surely, 2^10200021102 is an apocalyptic number.

10200021102 is an abundant number, since it is smaller than the sum of its proper divisors (12497324634).

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

10200021102 is a wasteful number, since it uses less digits than its factorization.

10200021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15315392 (or 15315389 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10200021102 its reverse (20112000201), we get a palindrome (30312021303).

The spelling of 10200021102 in words is "ten billion, two hundred million, twenty-one thousand, one hundred two".