121100110037 has 2 divisors, whose sum is σ = 121100110038. Its totient is φ = 121100110036.

The previous prime is 121100110009. The next prime is 121100110067. The reversal of 121100110037 is 730011001121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121085904676 + 14205361 = 347974^2 + 3769^2 .

It is a cyclic number.

It is not a de Polignac number, because 121100110037 - 2¹⁶ = 121100044501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121100109997 and 121100110024.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121100110067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60550055018 + 60550055019.

It is an arithmetic number, because the mean of its divisors is an integer number (60550055019).

Almost surely, 2^121100110037 is an apocalyptic number.

It is an amenable number.

121100110037 is a deficient number, since it is larger than the sum of its proper divisors (1).

121100110037 is an equidigital number, since it uses as much as digits as its factorization.

121100110037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42, while the sum is 17.

Adding to 121100110037 its reverse (730011001121), we get a palindrome (851111111158).

The spelling of 121100110037 in words is "one hundred twenty-one billion, one hundred million, one hundred ten thousand, thirty-seven".