100021331122230 has 192 divisors, whose sum is σ = 283552861455360. Its totient is φ = 22118809662720.

The previous prime is 100021331122211. The next prime is 100021331122249. The reversal of 100021331122230 is 32221133120001.

It is an interprime number because it is at equal distance from previous prime (100021331122211) and next prime (100021331122249).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 100021331122197 and 100021331122206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 804957967 + ... + 805082213.

It is an arithmetic number, because the mean of its divisors is an integer number (1476837820080).

Almost surely, 2^{100021331122230} is an apocalyptic number.

100021331122230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100021331122230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141776430727680).

100021331122230 is an abundant number, since it is smaller than the sum of its proper divisors (183531530333130).

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

100021331122230 is a wasteful number, since it uses less digits than its factorization.

100021331122230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128315 (or 128284 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 100021331122230 its reverse (32221133120001), we get a palindrome (132242464242231).

The spelling of 100021331122230 in words is "one hundred trillion, twenty-one billion, three hundred thirty-one million, one hundred twenty-two thousand, two hundred thirty".