10111212122019 has 32 divisors (see below), whose sum is σ = 13803497379840. Its totient is φ = 6581862144000.

The previous prime is 10111212122003. The next prime is 10111212122021. The reversal of 10111212122019 is 91022121211101.

It is not a de Polignac number, because 10111212122019 - 2⁴ = 10111212122003 is a prime.

It is a super-2 number, since 2×10111212122019² (a number of 27 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 10111212122019.

It is not an unprimeable number, because it can be changed into a prime (10111212122059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30201994 + ... + 30534944.

It is an arithmetic number, because the mean of its divisors is an integer number (431359293120).

Almost surely, 2^{10111212122019} is an apocalyptic number.

10111212122019 is a deficient number, since it is larger than the sum of its proper divisors (3692285257821).

10111212122019 is a wasteful number, since it uses less digits than its factorization.

10111212122019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334451.

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

The spelling of 10111212122019 in words is "ten trillion, one hundred eleven billion, two hundred twelve million, one hundred twenty-two thousand, nineteen".