20112112033357 has 2 divisors, whose sum is σ = 20112112033358. Its totient is φ = 20112112033356.

The previous prime is 20112112033249. The next prime is 20112112033381. The reversal of 20112112033357 is 75333021121102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15509624027076 + 4602488006281 = 3938226^2 + 2145341^2 .

It is a cyclic number.

It is not a de Polignac number, because 20112112033357 - 2³⁵ = 20077752294989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20112112030357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056056016678 + 10056056016679.

It is an arithmetic number, because the mean of its divisors is an integer number (10056056016679).

Almost surely, 2^{20112112033357} is an apocalyptic number.

It is an amenable number.

20112112033357 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112112033357 is an equidigital number, since it uses as much as digits as its factorization.

20112112033357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

Adding to 20112112033357 its reverse (75333021121102), we get a palindrome (95445133154459).

The spelling of 20112112033357 in words is "twenty trillion, one hundred twelve billion, one hundred twelve million, thirty-three thousand, three hundred fifty-seven".