101010002220191 has 4 divisors (see below), whose sum is σ = 101299429161000. Its totient is φ = 100720575279384.

The previous prime is 101010002220187. The next prime is 101010002220209. The reversal of 101010002220191 is 191022200010101.

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

It is a cyclic number.

It is not a de Polignac number, because 101010002220191 - 2² = 101010002220187 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 (101010002220131) 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, 144713469881 + ... + 144713470578.

It is an arithmetic number, because the mean of its divisors is an integer number (25324857290250).

Almost surely, 2^{101010002220191} is an apocalyptic number.

101010002220191 is a deficient number, since it is larger than the sum of its proper divisors (289426940809).

101010002220191 is an equidigital number, since it uses as much as digits as its factorization.

101010002220191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289426940808.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 101010002220191 its reverse (191022200010101), we get a palindrome (292032202230292).

The spelling of 101010002220191 in words is "one hundred one trillion, ten billion, two million, two hundred twenty thousand, one hundred ninety-one".