22100121001191 has 4 divisors (see below), whose sum is σ = 29466828001592. Its totient is φ = 14733414000792.

The previous prime is 22100121001183. The next prime is 22100121001241. The reversal of 22100121001191 is 19110012100122.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22100121001191 - 2³ = 22100121001183 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 (22100121001141) 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, 3683353500196 + ... + 3683353500201.

It is an arithmetic number, because the mean of its divisors is an integer number (7366707000398).

Almost surely, 2^{22100121001191} is an apocalyptic number.

22100121001191 is a deficient number, since it is larger than the sum of its proper divisors (7366707000401).

22100121001191 is an equidigital number, since it uses as much as digits as its factorization.

22100121001191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7366707000400.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 22100121001191 in words is "twenty-two trillion, one hundred billion, one hundred twenty-one million, one thousand, one hundred ninety-one".