100100221011250 has 40 divisors (see below), whose sum is σ = 187728033696588. Its totient is φ = 40018709952000.

The previous prime is 100100221011113. The next prime is 100100221011251. The reversal of 100100221011250 is 52110122001001.

It can be written as a sum of positive squares in 10 ways, for example, as 9926148035241 + 90174072976009 = 3150579^2 + 9496003^2 .

It is not an unprimeable number, because it can be changed into a prime (100100221011251) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19036267 + ... + 23718766.

Almost surely, 2^{100100221011250} is an apocalyptic number.

100100221011250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100100221011250 is a deficient number, since it is larger than the sum of its proper divisors (87627812685338).

100100221011250 is an equidigital number, since it uses as much as digits as its factorization.

100100221011250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42756928 (or 42756913 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 100100221011250 its reverse (52110122001001), we get a palindrome (152210343012251).

The spelling of 100100221011250 in words is "one hundred trillion, one hundred billion, two hundred twenty-one million, eleven thousand, two hundred fifty".