100122010221 has 32 divisors (see below), whose sum is σ = 142320302208. Its totient is φ = 62391296000.

The previous prime is 100122010211. The next prime is 100122010231. The reversal of 100122010221 is 122010221001.

It is an interprime number because it is at equal distance from previous prime (100122010211) and next prime (100122010231).

It is a cyclic number.

It is not a de Polignac number, because 100122010221 - 2²³ = 100113621613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100122010197 and 100122010206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100122010211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4507675 + ... + 4529831.

It is an arithmetic number, because the mean of its divisors is an integer number (4447509444).

Almost surely, 2^100122010221 is an apocalyptic number.

It is an amenable number.

100122010221 is a deficient number, since it is larger than the sum of its proper divisors (42198291987).

100122010221 is a wasteful number, since it uses less digits than its factorization.

100122010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22781.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100122010221 its reverse (122010221001), we get a palindrome (222132231222).

The spelling of 100122010221 in words is "one hundred billion, one hundred twenty-two million, ten thousand, two hundred twenty-one".