100122221100001 has 4 divisors (see below), whose sum is σ = 100255539637504. Its totient is φ = 99988902562500.

The previous prime is 100122221099993. The next prime is 100122221100091. The reversal of 100122221100001 is 100001122221001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100122221100001 - 2³ = 100122221099993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100122221100091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66659267625 + ... + 66659269126.

It is an arithmetic number, because the mean of its divisors is an integer number (25063884909376).

Almost surely, 2^{100122221100001} is an apocalyptic number.

It is an amenable number.

100122221100001 is a deficient number, since it is larger than the sum of its proper divisors (133318537503).

100122221100001 is an equidigital number, since it uses as much as digits as its factorization.

100122221100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133318537502.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100122221100001 its reverse (100001122221001), we get a palindrome (200123343321002).

The spelling of 100122221100001 in words is "one hundred trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred thousand, one".