10122112120091 has 2 divisors, whose sum is σ = 10122112120092. Its totient is φ = 10122112120090.

The previous prime is 10122112119989. The next prime is 10122112120103. The reversal of 10122112120091 is 19002121122101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10122112120091 - 2¹⁸ = 10122111857947 is a prime.

It is not a weakly prime, because it can be changed into another prime (10122112110091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061056060045 + 5061056060046.

It is an arithmetic number, because the mean of its divisors is an integer number (5061056060046).

Almost surely, 2^{10122112120091} is an apocalyptic number.

10122112120091 is a deficient number, since it is larger than the sum of its proper divisors (1).

10122112120091 is an equidigital number, since it uses as much as digits as its factorization.

10122112120091 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 10122112120091 its reverse (19002121122101), we get a palindrome (29124233242192).

The spelling of 10122112120091 in words is "ten trillion, one hundred twenty-two billion, one hundred twelve million, one hundred twenty thousand, ninety-one".