121021000101233 has 2 divisors, whose sum is σ = 121021000101234. Its totient is φ = 121021000101232.

The previous prime is 121021000101187. The next prime is 121021000101257. The reversal of 121021000101233 is 332101000120121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83831090788624 + 37189909312609 = 9155932^2 + 6098353^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121021000101233 is a prime.

It is not a weakly prime, because it can be changed into another prime (121021000103233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60510500050616 + 60510500050617.

It is an arithmetic number, because the mean of its divisors is an integer number (60510500050617).

Almost surely, 2^{121021000101233} is an apocalyptic number.

It is an amenable number.

121021000101233 is a deficient number, since it is larger than the sum of its proper divisors (1).

121021000101233 is an equidigital number, since it uses as much as digits as its factorization.

121021000101233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121021000101233 its reverse (332101000120121), we get a palindrome (453122000221354).

The spelling of 121021000101233 in words is "one hundred twenty-one trillion, twenty-one billion, one hundred one thousand, two hundred thirty-three".