121101151 has 2 divisors, whose sum is σ = 121101152. Its totient is φ = 121101150.

The previous prime is 121101139. The next prime is 121101157. The reversal of 121101151 is 151101121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121101151 - 2⁵ = 121101119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121101157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60550575 + 60550576.

It is an arithmetic number, because the mean of its divisors is an integer number (60550576).

Almost surely, 2^121101151 is an apocalyptic number.

121101151 is a deficient number, since it is larger than the sum of its proper divisors (1).

121101151 is an equidigital number, since it uses as much as digits as its factorization.

121101151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10, while the sum is 13.

The square root of 121101151 is about 11004.5968122417. The cubic root of 121101151 is about 494.7465300949.

Adding to 121101151 its reverse (151101121), we get a palindrome (272202272).

The spelling of 121101151 in words is "one hundred twenty-one million, one hundred one thousand, one hundred fifty-one".