101022011122091 has 2 divisors, whose sum is σ = 101022011122092. Its totient is φ = 101022011122090.

The previous prime is 101022011122079. The next prime is 101022011122111. The reversal of 101022011122091 is 190221110220101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101022011122091 - 2⁶ = 101022011122027 is a prime.

It is not a weakly prime, because it can be changed into another prime (101022011122051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50511005561045 + 50511005561046.

It is an arithmetic number, because the mean of its divisors is an integer number (50511005561046).

Almost surely, 2^{101022011122091} is an apocalyptic number.

101022011122091 is a deficient number, since it is larger than the sum of its proper divisors (1).

101022011122091 is an equidigital number, since it uses as much as digits as its factorization.

101022011122091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 23.

Adding to 101022011122091 its reverse (190221110220101), we get a palindrome (291243121342192).

The spelling of 101022011122091 in words is "one hundred one trillion, twenty-two billion, eleven million, one hundred twenty-two thousand, ninety-one".