7157010101 has 4 divisors (see below), whose sum is σ = 7169079852. Its totient is φ = 7144940352.

The previous prime is 7157010067. The next prime is 7157010103. The reversal of 7157010101 is 1010107517.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1010107517 = 1249 ⋅808733.

It can be written as a sum of positive squares in 2 ways, for example, as 6188182225 + 968827876 = 78665^2 + 31126^2 .

It is a cyclic number.

It is not a de Polignac number, because 7157010101 - 2²² = 7152815797 is a prime.

It is a Duffinian number.

7157010101 is a modest number, since divided by 10101 gives 7157 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7157010103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6033986 + ... + 6035171.

It is an arithmetic number, because the mean of its divisors is an integer number (1792269963).

Almost surely, 2^7157010101 is an apocalyptic number.

It is an amenable number.

7157010101 is a deficient number, since it is larger than the sum of its proper divisors (12069751).

7157010101 is a wasteful number, since it uses less digits than its factorization.

7157010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12069750.

The product of its (nonzero) digits is 245, while the sum is 23.

The square root of 7157010101 is about 84599.1140674653. The cubic root of 7157010101 is about 1927.1279196646.

Adding to 7157010101 its reverse (1010107517), we get a palindrome (8167117618).

The spelling of 7157010101 in words is "seven billion, one hundred fifty-seven million, ten thousand, one hundred one".