211121110022019 has 16 divisors (see below), whose sum is σ = 281818231444992. Its totient is φ = 140585785848288.

The previous prime is 211121110021999. The next prime is 211121110022021. The reversal of 211121110022019 is 910220011121112.

It is a de Polignac number, because none of the positive numbers 2^k-211121110022019 is a prime.

It is a super-2 number, since 2×211121110022019² (a number of 29 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 211121110022019.

It is not an unprimeable number, because it can be changed into a prime (211121110022089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1448812 + ... + 20599545.

It is an arithmetic number, because the mean of its divisors is an integer number (17613639465312).

Almost surely, 2^{211121110022019} is an apocalyptic number.

211121110022019 is a deficient number, since it is larger than the sum of its proper divisors (70697121422973).

211121110022019 is a wasteful number, since it uses less digits than its factorization.

211121110022019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22052026.

The product of its (nonzero) digits is 144, while the sum is 24.

The spelling of 211121110022019 in words is "two hundred eleven trillion, one hundred twenty-one billion, one hundred ten million, twenty-two thousand, nineteen".