21011212200119 has 2 divisors, whose sum is σ = 21011212200120. Its totient is φ = 21011212200118.

The previous prime is 21011212200073. The next prime is 21011212200133. The reversal of 21011212200119 is 91100221211012.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21011212200119 - 2³² = 21006917232823 is a prime.

It is a super-2 number, since 2×21011212200119² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21011212200094 and 21011212200103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21011212200919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10505606100059 + 10505606100060.

It is an arithmetic number, because the mean of its divisors is an integer number (10505606100060).

Almost surely, 2^{21011212200119} is an apocalyptic number.

21011212200119 is a deficient number, since it is larger than the sum of its proper divisors (1).

21011212200119 is an equidigital number, since it uses as much as digits as its factorization.

21011212200119 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 23.

The spelling of 21011212200119 in words is "twenty-one trillion, eleven billion, two hundred twelve million, two hundred thousand, one hundred nineteen".