101142011 has 4 divisors (see below), whose sum is σ = 102527592. Its totient is φ = 99756432.

The previous prime is 101142007. The next prime is 101142023. The reversal of 101142011 is 110241101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101142011 - 2² = 101142007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101141983 and 101142001.

It is not an unprimeable number, because it can be changed into a prime (101142001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692681 + ... + 692826.

It is an arithmetic number, because the mean of its divisors is an integer number (25631898).

Almost surely, 2^101142011 is an apocalyptic number.

101142011 is a deficient number, since it is larger than the sum of its proper divisors (1385581).

101142011 is an equidigital number, since it uses as much as digits as its factorization.

101142011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385580.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 101142011 is about 10056.9384506419. The cubic root of 101142011 is about 465.9191147596.

Adding to 101142011 its reverse (110241101), we get a palindrome (211383112).

The spelling of 101142011 in words is "one hundred one million, one hundred forty-two thousand, eleven".