100220231000 has 128 divisors (see below), whose sum is σ = 248522040000. Its totient is φ = 37722240000.

The previous prime is 100220230969. The next prime is 100220231003. The reversal of 100220231000 is 132022001.

It is a happy number.

It is a super-2 number, since 2×100220231000² (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 (100220231003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2813300 + ... + 2848700.

Almost surely, 2^100220231000 is an apocalyptic number.

100220231000 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 100220231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124261020000).

100220231000 is an abundant number, since it is smaller than the sum of its proper divisors (148301809000).

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

100220231000 is a wasteful number, since it uses less digits than its factorization.

100220231000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35590 (or 35576 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 100220231000 its reverse (132022001), we get a palindrome (100352253001).

The spelling of 100220231000 in words is "one hundred billion, two hundred twenty million, two hundred thirty-one thousand".