10101131211 has 4 divisors (see below), whose sum is σ = 13468174952. Its totient is φ = 6734087472.

The previous prime is 10101131189. The next prime is 10101131231. The reversal of 10101131211 is 11213110101.

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

It is not a de Polignac number, because 10101131211 - 2¹⁷ = 10101000139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10101131231) 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, 1683521866 + ... + 1683521871.

It is an arithmetic number, because the mean of its divisors is an integer number (3367043738).

Almost surely, 2^10101131211 is an apocalyptic number.

10101131211 is a deficient number, since it is larger than the sum of its proper divisors (3367043741).

10101131211 is an equidigital number, since it uses as much as digits as its factorization.

10101131211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367043740.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 10101131211 its reverse (11213110101), we get a palindrome (21314241312).

The spelling of 10101131211 in words is "ten billion, one hundred one million, one hundred thirty-one thousand, two hundred eleven".