100212220331 has 4 divisors (see below), whose sum is σ = 101910732600. Its totient is φ = 98513708064.

The previous prime is 100212220291. The next prime is 100212220447. The reversal of 100212220331 is 133022212001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100212220331 - 2¹⁰ = 100212219307 is a prime.

It is a super-2 number, since 2×100212220331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100212220531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 849256046 + ... + 849256163.

It is an arithmetic number, because the mean of its divisors is an integer number (25477683150).

Almost surely, 2^100212220331 is an apocalyptic number.

100212220331 is a deficient number, since it is larger than the sum of its proper divisors (1698512269).

100212220331 is an equidigital number, since it uses as much as digits as its factorization.

100212220331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698512268.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 100212220331 its reverse (133022212001), we get a palindrome (233234432332).

The spelling of 100212220331 in words is "one hundred billion, two hundred twelve million, two hundred twenty thousand, three hundred thirty-one".