102021023104 has 192 divisors, whose sum is σ = 277763850000. Its totient is φ = 36690554880.

The previous prime is 102021023087. The next prime is 102021023123. The reversal of 102021023104 is 401320120201.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 840022 + ... + 953770.

Almost surely, 2^102021023104 is an apocalyptic number.

102021023104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102021023104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138881925000).

102021023104 is an abundant number, since it is smaller than the sum of its proper divisors (175742826896).

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

102021023104 is a wasteful number, since it uses less digits than its factorization.

102021023104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113801 (or 113782 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 102021023104 its reverse (401320120201), we get a palindrome (503341143305).

The spelling of 102021023104 in words is "one hundred two billion, twenty-one million, twenty-three thousand, one hundred four".