20122011110237 has 2 divisors, whose sum is σ = 20122011110238. Its totient is φ = 20122011110236.

The previous prime is 20122011110221. The next prime is 20122011110249. The reversal of 20122011110237 is 73201111022102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10372560657316 + 9749450452921 = 3220646^2 + 3122411^2 .

It is a cyclic number.

It is not a de Polignac number, because 20122011110237 - 2⁴ = 20122011110221 is a prime.

It is a super-2 number, since 2×20122011110237² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20122011110287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061005555118 + 10061005555119.

It is an arithmetic number, because the mean of its divisors is an integer number (10061005555119).

Almost surely, 2^{20122011110237} is an apocalyptic number.

It is an amenable number.

20122011110237 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122011110237 is an equidigital number, since it uses as much as digits as its factorization.

20122011110237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 20122011110237 its reverse (73201111022102), we get a palindrome (93323122132339).

The spelling of 20122011110237 in words is "twenty trillion, one hundred twenty-two billion, eleven million, one hundred ten thousand, two hundred thirty-seven".