121122100021037 has 2 divisors, whose sum is σ = 121122100021038. Its totient is φ = 121122100021036.

The previous prime is 121122100020931. The next prime is 121122100021057. The reversal of 121122100021037 is 730120001221121.

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., 91168524264841 + 29953575756196 = 9548221^2 + 5472986^2 .

It is a cyclic number.

It is not a de Polignac number, because 121122100021037 - 2⁸ = 121122100020781 is a prime.

It is a super-2 number, since 2×121122100021037² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121122100021057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60561050010518 + 60561050010519.

It is an arithmetic number, because the mean of its divisors is an integer number (60561050010519).

Almost surely, 2^{121122100021037} is an apocalyptic number.

It is an amenable number.

121122100021037 is a deficient number, since it is larger than the sum of its proper divisors (1).

121122100021037 is an equidigital number, since it uses as much as digits as its factorization.

121122100021037 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 121122100021037 its reverse (730120001221121), we get a palindrome (851242101242158).

The spelling of 121122100021037 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one hundred million, twenty-one thousand, thirty-seven".