220001210121037 has 2 divisors, whose sum is σ = 220001210121038. Its totient is φ = 220001210121036.

The previous prime is 220001210120893. The next prime is 220001210121097. The reversal of 220001210121037 is 730121012100022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119930117490121 + 100071092630916 = 10951261^2 + 10003554^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220001210121037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220001210120999 and 220001210121017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220001210121097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110000605060518 + 110000605060519.

It is an arithmetic number, because the mean of its divisors is an integer number (110000605060519).

Almost surely, 2^{220001210121037} is an apocalyptic number.

It is an amenable number.

220001210121037 is a deficient number, since it is larger than the sum of its proper divisors (1).

220001210121037 is an equidigital number, since it uses as much as digits as its factorization.

220001210121037 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 220001210121037 its reverse (730121012100022), we get a palindrome (950122222221059).

The spelling of 220001210121037 in words is "two hundred twenty trillion, one billion, two hundred ten million, one hundred twenty-one thousand, thirty-seven".