1212021110119 has 2 divisors, whose sum is σ = 1212021110120. Its totient is φ = 1212021110118.

The previous prime is 1212021110101. The next prime is 1212021110159. The reversal of 1212021110119 is 9110111202121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212021110119 - 2³¹ = 1209873626471 is a prime.

It is a super-2 number, since 2×1212021110119² (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 1212021110119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212021110159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606010555059 + 606010555060.

It is an arithmetic number, because the mean of its divisors is an integer number (606010555060).

Almost surely, 2^{1212021110119} is an apocalyptic number.

1212021110119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212021110119 is an equidigital number, since it uses as much as digits as its factorization.

1212021110119 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 22.

It can be divided in two parts, 121202 and 1110119, that added together give a palindrome (1231321).

The spelling of 1212021110119 in words is "one trillion, two hundred twelve billion, twenty-one million, one hundred ten thousand, one hundred nineteen".