22111409934890 has 16 divisors (see below), whose sum is σ = 39815208236808. Its totient is φ = 8841303895296.

The previous prime is 22111409934793. The next prime is 22111409934919. The reversal of 22111409934890 is 9843990411122.

It can be written as a sum of positive squares in 4 ways, for example, as 20794958902201 + 1316451032689 = 4560149^2 + 1147367^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407481347 + ... + 407535606.

Almost surely, 2^{22111409934890} is an apocalyptic number.

22111409934890 is a deficient number, since it is larger than the sum of its proper divisors (17703798301918).

22111409934890 is a wasteful number, since it uses less digits than its factorization.

22111409934890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815019673.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The spelling of 22111409934890 in words is "twenty-two trillion, one hundred eleven billion, four hundred nine million, nine hundred thirty-four thousand, eight hundred ninety".