210102021119 has 2 divisors, whose sum is σ = 210102021120. Its totient is φ = 210102021118.

The previous prime is 210102021079. The next prime is 210102021203. The reversal of 210102021119 is 911120201012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210102021119 is a prime.

It is a super-2 number, since 2×210102021119² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210102021119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210102021719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105051010559 + 105051010560.

It is an arithmetic number, because the mean of its divisors is an integer number (105051010560).

Almost surely, 2^210102021119 is an apocalyptic number.

210102021119 is a deficient number, since it is larger than the sum of its proper divisors (1).

210102021119 is an equidigital number, since it uses as much as digits as its factorization.

210102021119 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 20.

The spelling of 210102021119 in words is "two hundred ten billion, one hundred two million, twenty-one thousand, one hundred nineteen".