100012020210221 has 16 divisors (see below), whose sum is σ = 114413919500160. Its totient is φ = 85638768875520.

The previous prime is 100012020210217. The next prime is 100012020210227. The reversal of 100012020210221 is 122012020210001.

It is not a de Polignac number, because 100012020210221 - 2² = 100012020210217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100012020210196 and 100012020210205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100012020210227) 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, 37512125 + ... + 40089693.

It is an arithmetic number, because the mean of its divisors is an integer number (7150869968760).

Almost surely, 2^{100012020210221} is an apocalyptic number.

It is an amenable number.

100012020210221 is a deficient number, since it is larger than the sum of its proper divisors (14401899289939).

100012020210221 is a wasteful number, since it uses less digits than its factorization.

100012020210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583124.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100012020210221 its reverse (122012020210001), we get a palindrome (222024040420222).

The spelling of 100012020210221 in words is "one hundred trillion, twelve billion, twenty million, two hundred ten thousand, two hundred twenty-one".