102022012091 has 8 divisors (see below), whose sum is σ = 102689941200. Its totient is φ = 101356104960.

The previous prime is 102022012051. The next prime is 102022012097. The reversal of 102022012091 is 190210220201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 102022012091 - 2²² = 102017817787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102022012097) 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, 404186 + ... + 606143.

It is an arithmetic number, because the mean of its divisors is an integer number (12836242650).

Almost surely, 2^102022012091 is an apocalyptic number.

102022012091 is a deficient number, since it is larger than the sum of its proper divisors (667929109).

102022012091 is a wasteful number, since it uses less digits than its factorization.

102022012091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010989.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 102022012091 its reverse (190210220201), we get a palindrome (292232232292).

The spelling of 102022012091 in words is "one hundred two billion, twenty-two million, twelve thousand, ninety-one".