102120211021033 has 2 divisors, whose sum is σ = 102120211021034. Its totient is φ = 102120211021032.

The previous prime is 102120211020923. The next prime is 102120211021219. The reversal of 102120211021033 is 330120112021201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70467344837289 + 31652866183744 = 8394483^2 + 5626088^2 .

It is a cyclic number.

It is not a de Polignac number, because 102120211021033 - 2²⁹ = 102119674150121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102120211021033.

It is not a weakly prime, because it can be changed into another prime (102120211025033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060105510516 + 51060105510517.

It is an arithmetic number, because the mean of its divisors is an integer number (51060105510517).

Almost surely, 2^{102120211021033} is an apocalyptic number.

It is an amenable number.

102120211021033 is a deficient number, since it is larger than the sum of its proper divisors (1).

102120211021033 is an equidigital number, since it uses as much as digits as its factorization.

102120211021033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 102120211021033 its reverse (330120112021201), we get a palindrome (432240323042234).

The spelling of 102120211021033 in words is "one hundred two trillion, one hundred twenty billion, two hundred eleven million, twenty-one thousand, thirty-three".