100221212295 has 12 divisors (see below), whose sum is σ = 173716768056. Its totient is φ = 53451313200.

The previous prime is 100221212249. The next prime is 100221212297. The reversal of 100221212295 is 592212122001.

It is a happy number.

It is not a de Polignac number, because 100221212295 - 2¹⁴ = 100221195911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100221212297) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1113568981 + ... + 1113569070.

It is an arithmetic number, because the mean of its divisors is an integer number (14476397338).

Almost surely, 2^100221212295 is an apocalyptic number.

100221212295 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100221212295 is a deficient number, since it is larger than the sum of its proper divisors (73495555761).

100221212295 is a wasteful number, since it uses less digits than its factorization.

100221212295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227138062 (or 2227138059 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 100221212295 its reverse (592212122001), we get a palindrome (692433334296).

The spelling of 100221212295 in words is "one hundred billion, two hundred twenty-one million, two hundred twelve thousand, two hundred ninety-five".