11122101234 has 24 divisors (see below), whose sum is σ = 24318971820. Its totient is φ = 3673353888.

The previous prime is 11122101227. The next prime is 11122101239. The reversal of 11122101234 is 43210122111.

It can be written as a sum of positive squares in 2 ways, for example, as 11097569025 + 24532209 = 105345^2 + 4953^2 .

It is a super-2 number, since 2×11122101234² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11122101239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2832417 + ... + 2836340.

Almost surely, 2^11122101234 is an apocalyptic number.

11122101234 is an abundant number, since it is smaller than the sum of its proper divisors (13196870586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11122101234 is a wasteful number, since it uses less digits than its factorization.

11122101234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5668874 (or 5668871 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11122101234 its reverse (43210122111), we get a palindrome (54332223345).

The spelling of 11122101234 in words is "eleven billion, one hundred twenty-two million, one hundred one thousand, two hundred thirty-four".