20111222119 has 2 divisors, whose sum is σ = 20111222120. Its totient is φ = 20111222118.

The previous prime is 20111222107. The next prime is 20111222143. The reversal of 20111222119 is 91122211102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20111222119 - 2¹⁷ = 20111091047 is a prime.

It is a super-2 number, since 2×20111222119² (a number of 21 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 20111222119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20111222179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055611059 + 10055611060.

It is an arithmetic number, because the mean of its divisors is an integer number (10055611060).

Almost surely, 2^20111222119 is an apocalyptic number.

20111222119 is a deficient number, since it is larger than the sum of its proper divisors (1).

20111222119 is an equidigital number, since it uses as much as digits as its factorization.

20111222119 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 22.

The spelling of 20111222119 in words is "twenty billion, one hundred eleven million, two hundred twenty-two thousand, one hundred nineteen".