2131101011 has 8 divisors (see below), whose sum is σ = 2430033984. Its totient is φ = 1851454080.

The previous prime is 2131101001. The next prime is 2131101053. The reversal of 2131101011 is 1101011312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2131101011 - 2⁶ = 2131100947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2131100983 and 2131101001.

It is not an unprimeable number, because it can be changed into a prime (2131101001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4821275 + ... + 4821716.

It is an arithmetic number, because the mean of its divisors is an integer number (303754248).

Almost surely, 2^2131101011 is an apocalyptic number.

2131101011 is a deficient number, since it is larger than the sum of its proper divisors (298932973).

2131101011 is a wasteful number, since it uses less digits than its factorization.

2131101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9643021.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 2131101011 is about 46163.8496120070. The cubic root of 2131101011 is about 1286.8700053665.

Adding to 2131101011 its reverse (1101011312), we get a palindrome (3232112323).

The spelling of 2131101011 in words is "two billion, one hundred thirty-one million, one hundred one thousand, eleven".