2100212800967 has 2 divisors, whose sum is σ = 2100212800968. Its totient is φ = 2100212800966.

The previous prime is 2100212800919. The next prime is 2100212801087. The reversal of 2100212800967 is 7690082120012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100212800967 - 2³⁸ = 1825334894023 is a prime.

It is a super-2 number, since 2×2100212800967² (a number of 25 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 2100212800967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100212100967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050106400483 + 1050106400484.

It is an arithmetic number, because the mean of its divisors is an integer number (1050106400484).

Almost surely, 2^{2100212800967} is an apocalyptic number.

2100212800967 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100212800967 is an equidigital number, since it uses as much as digits as its factorization.

2100212800967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

Adding to 2100212800967 its reverse (7690082120012), we get a palindrome (9790294920979).

The spelling of 2100212800967 in words is "two trillion, one hundred billion, two hundred twelve million, eight hundred thousand, nine hundred sixty-seven".