2122351602 has 128 divisors (see below), whose sum is σ = 5246208000. Its totient is φ = 571169088.

The previous prime is 2122351601. The next prime is 2122351603. The reversal of 2122351602 is 2061532212.

It is an interprime number because it is at equal distance from previous prime (2122351601) and next prime (2122351603).

It is not an unprimeable number, because it can be changed into a prime (2122351601) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2565913 + ... + 2566739.

It is an arithmetic number, because the mean of its divisors is an integer number (40986000).

Almost surely, 2^2122351602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2122351602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2623104000).

2122351602 is an abundant number, since it is smaller than the sum of its proper divisors (3123856398).

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

2122351602 is a wasteful number, since it uses less digits than its factorization.

2122351602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925 (or 911 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2122351602 is about 46068.9874210406. The cubic root of 2122351602 is about 1285.1064731329.

Adding to 2122351602 its reverse (2061532212), we get a palindrome (4183883814).

The spelling of 2122351602 in words is "two billion, one hundred twenty-two million, three hundred fifty-one thousand, six hundred two".