20110220121037 has 2 divisors, whose sum is σ = 20110220121038. Its totient is φ = 20110220121036.

The previous prime is 20110220121011. The next prime is 20110220121049. The reversal of 20110220121037 is 73012102201102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13914198070276 + 6196022050761 = 3730174^2 + 2489181^2 .

It is a cyclic number.

It is not a de Polignac number, because 20110220121037 - 2⁷ = 20110220120909 is a prime.

It is a super-2 number, since 2×20110220121037² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20110220120999 and 20110220121017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20110220121737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055110060518 + 10055110060519.

It is an arithmetic number, because the mean of its divisors is an integer number (10055110060519).

Almost surely, 2^{20110220121037} is an apocalyptic number.

It is an amenable number.

20110220121037 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110220121037 is an equidigital number, since it uses as much as digits as its factorization.

20110220121037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 20110220121037 its reverse (73012102201102), we get a palindrome (93122322322139).

The spelling of 20110220121037 in words is "twenty trillion, one hundred ten billion, two hundred twenty million, one hundred twenty-one thousand, thirty-seven".