103021000000 has 196 divisors, whose sum is σ = 259314805728. Its totient is φ = 40600000000.

The previous prime is 103020999979. The next prime is 103021000003. The reversal of 103021000000 is 120301.

It is a super-2 number, since 2×103021000000² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103021000003) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 70999275 + ... + 71000725.

Almost surely, 2^103021000000 is an apocalyptic number.

103021000000 is a gapful number since it is divisible by the number (10) 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 103021000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129657402864).

103021000000 is an abundant number, since it is smaller than the sum of its proper divisors (156293805728).

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

103021000000 is an frugal number, since it uses more digits than its factorization.

103021000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564 (or 1529 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

Adding to 103021000000 its reverse (120301), we get a palindrome (103021120301).

The spelling of 103021000000 in words is "one hundred three billion, twenty-one million", and thus it is an aban number.