11020100121157 has 2 divisors, whose sum is σ = 11020100121158. Its totient is φ = 11020100121156.

The previous prime is 11020100121091. The next prime is 11020100121161. The reversal of 11020100121157 is 75112100102011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5695663860481 + 5324436260676 = 2386559^2 + 2307474^2 .

It is a cyclic number.

It is not a de Polignac number, because 11020100121157 - 2²³ = 11020091732549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11020100121167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510050060578 + 5510050060579.

It is an arithmetic number, because the mean of its divisors is an integer number (5510050060579).

Almost surely, 2^{11020100121157} is an apocalyptic number.

It is an amenable number.

11020100121157 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020100121157 is an equidigital number, since it uses as much as digits as its factorization.

11020100121157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140, while the sum is 22.

Adding to 11020100121157 its reverse (75112100102011), we get a palindrome (86132200223168).

The spelling of 11020100121157 in words is "eleven trillion, twenty billion, one hundred million, one hundred twenty-one thousand, one hundred fifty-seven".