101161051 has 4 divisors (see below), whose sum is σ = 101614912. Its totient is φ = 100707192.

The previous prime is 101161043. The next prime is 101161057. The reversal of 101161051 is 150161101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150161101 = 29 ⋅5177969.

It is a cyclic number.

It is not a de Polignac number, because 101161051 - 2³ = 101161043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101161057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226596 + ... + 227041.

It is an arithmetic number, because the mean of its divisors is an integer number (25403728).

Almost surely, 2^101161051 is an apocalyptic number.

101161051 is a deficient number, since it is larger than the sum of its proper divisors (453861).

101161051 is an equidigital number, since it uses as much as digits as its factorization.

101161051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453860.

The product of its (nonzero) digits is 30, while the sum is 16.

The square root of 101161051 is about 10057.8850162447. The cubic root of 101161051 is about 465.9483493749.

Subtracting 101161051 from its reverse (150161101), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 101161051 in words is "one hundred one million, one hundred sixty-one thousand, fifty-one".