11101012121237 has 2 divisors, whose sum is σ = 11101012121238. Its totient is φ = 11101012121236.

The previous prime is 11101012121161. The next prime is 11101012121239. The reversal of 11101012121237 is 73212121010111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6432685803076 + 4668326318161 = 2536274^2 + 2160631^2 .

It is an emirp because it is prime and its reverse (73212121010111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11101012121237 - 2⁸ = 11101012120981 is a prime.

Together with 11101012121239, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11101012121239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550506060618 + 5550506060619.

It is an arithmetic number, because the mean of its divisors is an integer number (5550506060619).

Almost surely, 2^{11101012121237} is an apocalyptic number.

It is an amenable number.

11101012121237 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101012121237 is an equidigital number, since it uses as much as digits as its factorization.

11101012121237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 23.

Adding to 11101012121237 its reverse (73212121010111), we get a palindrome (84313133131348).

The spelling of 11101012121237 in words is "eleven trillion, one hundred one billion, twelve million, one hundred twenty-one thousand, two hundred thirty-seven".