2121023334 has 32 divisors (see below), whose sum is σ = 4331263104. Its totient is φ = 692289920.

The previous prime is 2121023327. The next prime is 2121023339. The reversal of 2121023334 is 4333201212.

It is a self number, because there is not a number n which added to its sum of digits gives 2121023334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121023339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37429 + ... + 75119.

It is an arithmetic number, because the mean of its divisors is an integer number (135351972).

Almost surely, 2^2121023334 is an apocalyptic number.

2121023334 is an abundant number, since it is smaller than the sum of its proper divisors (2210239770).

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

2121023334 is a wasteful number, since it uses less digits than its factorization.

2121023334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37892.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2121023334 is about 46054.5690892880. The cubic root of 2121023334 is about 1284.8383237167.

Adding to 2121023334 its reverse (4333201212), we get a palindrome (6454224546).

It can be divided in two parts, 21210 and 23334, that added together give a palindrome (44544).

The spelling of 2121023334 in words is "two billion, one hundred twenty-one million, twenty-three thousand, three hundred thirty-four".