120102211997 has 2 divisors, whose sum is σ = 120102211998. Its totient is φ = 120102211996.

The previous prime is 120102211961. The next prime is 120102212029. The reversal of 120102211997 is 799112201021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77589545401 + 42512666596 = 278549^2 + 206186^2 .

It is an emirp because it is prime and its reverse (799112201021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120102211997 - 2¹⁸ = 120101949853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120102211297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60051105998 + 60051105999.

It is an arithmetic number, because the mean of its divisors is an integer number (60051105999).

Almost surely, 2^120102211997 is an apocalyptic number.

It is an amenable number.

120102211997 is a deficient number, since it is larger than the sum of its proper divisors (1).

120102211997 is an equidigital number, since it uses as much as digits as its factorization.

120102211997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 120102211997 in words is "one hundred twenty billion, one hundred two million, two hundred eleven thousand, nine hundred ninety-seven".