100122221211 has 8 divisors (see below), whose sum is σ = 133574875200. Its totient is φ = 66708857352.

The previous prime is 100122221209. The next prime is 100122221273. The reversal of 100122221211 is 112122221001.

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

It is not a de Polignac number, because 100122221211 - 2¹ = 100122221209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100122221291) 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, 9816585 + ... + 9826778.

It is an arithmetic number, because the mean of its divisors is an integer number (16696859400).

Almost surely, 2^100122221211 is an apocalyptic number.

100122221211 is a deficient number, since it is larger than the sum of its proper divisors (33452653989).

100122221211 is a wasteful number, since it uses less digits than its factorization.

100122221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19645065.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100122221211 its reverse (112122221001), we get a palindrome (212244442212).

The spelling of 100122221211 in words is "one hundred billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred eleven".