2111203134 has 24 divisors (see below), whose sum is σ = 4579171272. Its totient is φ = 702980880.

The previous prime is 2111203117. The next prime is 2111203141. The reversal of 2111203134 is 4313021112.

It is a super-2 number, since 2×2111203134² = 8914357346022843912, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45384 + ... + 79259.

It is an arithmetic number, because the mean of its divisors is an integer number (190798803).

Almost surely, 2^2111203134 is an apocalyptic number.

2111203134 is an abundant number, since it is smaller than the sum of its proper divisors (2467968138).

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

2111203134 is a wasteful number, since it uses less digits than its factorization.

2111203134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125592 (or 125589 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2111203134 is about 45947.8305690269. The cubic root of 2111203134 is about 1282.8523496386.

Adding to 2111203134 its reverse (4313021112), we get a palindrome (6424224246).

The spelling of 2111203134 in words is "two billion, one hundred eleven million, two hundred three thousand, one hundred thirty-four".