11211101210137 has 2 divisors, whose sum is σ = 11211101210138. Its totient is φ = 11211101210136.

The previous prime is 11211101210093. The next prime is 11211101210263. The reversal of 11211101210137 is 73101210111211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11204624823561 + 6476386576 = 3347331^2 + 80476^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11211101210137 is a prime.

It is not a weakly prime, because it can be changed into another prime (11211101210437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605550605068 + 5605550605069.

It is an arithmetic number, because the mean of its divisors is an integer number (5605550605069).

Almost surely, 2^{11211101210137} is an apocalyptic number.

It is an amenable number.

11211101210137 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211101210137 is an equidigital number, since it uses as much as digits as its factorization.

11211101210137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 22.

Adding to 11211101210137 its reverse (73101210111211), we get a palindrome (84312311321348).

The spelling of 11211101210137 in words is "eleven trillion, two hundred eleven billion, one hundred one million, two hundred ten thousand, one hundred thirty-seven".