1210021120963 has 2 divisors, whose sum is σ = 1210021120964. Its totient is φ = 1210021120962.

The previous prime is 1210021120939. The next prime is 1210021120993. The reversal of 1210021120963 is 3690211200121.

It is a weak prime.

It is an emirp because it is prime and its reverse (3690211200121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1210021120963 - 2¹³ = 1210021112771 is a prime.

It is a super-2 number, since 2×1210021120963² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1210021120933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605010560481 + 605010560482.

It is an arithmetic number, because the mean of its divisors is an integer number (605010560482).

Almost surely, 2^{1210021120963} is an apocalyptic number.

1210021120963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210021120963 is an equidigital number, since it uses as much as digits as its factorization.

1210021120963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 1210021120963 in words is "one trillion, two hundred ten billion, twenty-one million, one hundred twenty thousand, nine hundred sixty-three".