2210122211987 has 2 divisors, whose sum is σ = 2210122211988. Its totient is φ = 2210122211986.

The previous prime is 2210122211959. The next prime is 2210122212017. The reversal of 2210122211987 is 7891122210122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2210122211987 - 2³⁴ = 2192942342803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2210122211987.

It is not a weakly prime, because it can be changed into another prime (2210122211287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105061105993 + 1105061105994.

It is an arithmetic number, because the mean of its divisors is an integer number (1105061105994).

Almost surely, 2^{2210122211987} is an apocalyptic number.

2210122211987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210122211987 is an equidigital number, since it uses as much as digits as its factorization.

2210122211987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 38.

The spelling of 2210122211987 in words is "two trillion, two hundred ten billion, one hundred twenty-two million, two hundred eleven thousand, nine hundred eighty-seven".