10101212131 has 2 divisors, whose sum is σ = 10101212132. Its totient is φ = 10101212130.

The previous prime is 10101212029. The next prime is 10101212141. The reversal of 10101212131 is 13121210101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10101212131 - 2¹¹ = 10101210083 is a prime.

It is a super-2 number, since 2×10101212131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10101212141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050606065 + 5050606066.

It is an arithmetic number, because the mean of its divisors is an integer number (5050606066).

Almost surely, 2^10101212131 is an apocalyptic number.

10101212131 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101212131 is an equidigital number, since it uses as much as digits as its factorization.

10101212131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10101212131 its reverse (13121210101), we get a palindrome (23222422232).

The spelling of 10101212131 in words is "ten billion, one hundred one million, two hundred twelve thousand, one hundred thirty-one".