100212200221 has 8 divisors (see below), whose sum is σ = 114847251840. Its totient is φ = 85656904368.

The previous prime is 100212200203. The next prime is 100212200267. The reversal of 100212200221 is 122002212001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100212200221 - 2¹³ = 100212192029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212200521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19936246 + ... + 19941271.

It is an arithmetic number, because the mean of its divisors is an integer number (14355906480).

Almost surely, 2^100212200221 is an apocalyptic number.

It is an amenable number.

100212200221 is a deficient number, since it is larger than the sum of its proper divisors (14635051619).

100212200221 is an equidigital number, since it uses as much as digits as its factorization.

100212200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39877883.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100212200221 its reverse (122002212001), we get a palindrome (222214412222).

The spelling of 100212200221 in words is "one hundred billion, two hundred twelve million, two hundred thousand, two hundred twenty-one".