100021221310 has 32 divisors (see below), whose sum is σ = 186808925952. Its totient is φ = 38517258240.

The previous prime is 100021221281. The next prime is 100021221317. The reversal of 100021221310 is 13122120001.

It is a super-2 number, since 2×100021221310² (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 (100021221317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 776049 + ... + 895708.

It is an arithmetic number, because the mean of its divisors is an integer number (5837778936).

Almost surely, 2^100021221310 is an apocalyptic number.

100021221310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100021221310 is a deficient number, since it is larger than the sum of its proper divisors (86787704642).

100021221310 is a wasteful number, since it uses less digits than its factorization.

100021221310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671988.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 100021221310 its reverse (13122120001), we get a palindrome (113143341311).

The spelling of 100021221310 in words is "one hundred billion, twenty-one million, two hundred twenty-one thousand, three hundred ten".