102022100191 has 8 divisors (see below), whose sum is σ = 111302354304. Its totient is φ = 92742765720.

The previous prime is 102022100177. The next prime is 102022100207. The reversal of 102022100191 is 191001220201.

It is a happy number.

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

It is not a de Polignac number, because 102022100191 - 2¹³ = 102022091999 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 (102022100101) 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, 13240 + ... + 451906.

It is an arithmetic number, because the mean of its divisors is an integer number (13912794288).

Almost surely, 2^102022100191 is an apocalyptic number.

102022100191 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102022100191 is a deficient number, since it is larger than the sum of its proper divisors (9280254113).

102022100191 is a wasteful number, since it uses less digits than its factorization.

102022100191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459821.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 102022100191 its reverse (191001220201), we get a palindrome (293023320392).

The spelling of 102022100191 in words is "one hundred two billion, twenty-two million, one hundred thousand, one hundred ninety-one".