2121113034 has 32 divisors (see below), whose sum is σ = 4747512000. Its totient is φ = 701948592.

The previous prime is 2121113011. The next prime is 2121113101. The reversal of 2121113034 is 4303111212.

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

It is a junction number, because it is equal to n+sod(n) for n = 2121112998 and 2121113016.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133789 + ... + 148800.

It is an arithmetic number, because the mean of its divisors is an integer number (148359750).

Almost surely, 2^2121113034 is an apocalyptic number.

2121113034 is an abundant number, since it is smaller than the sum of its proper divisors (2626398966).

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

2121113034 is a wasteful number, since it uses less digits than its factorization.

2121113034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282739 (or 282733 counting only the distinct ones).

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

The square root of 2121113034 is about 46055.5429237350. The cubic root of 2121113034 is about 1284.8564357873.

Adding to 2121113034 its reverse (4303111212), we get a palindrome (6424224246).

The spelling of 2121113034 in words is "two billion, one hundred twenty-one million, one hundred thirteen thousand, thirty-four".