2121422000 has 120 divisors (see below), whose sum is σ = 5266094496. Its totient is φ = 826560000.

The previous prime is 2121421979. The next prime is 2121422057. The reversal of 2121422000 is 2241212.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3361685 + ... + 3362315.

Almost surely, 2^2121422000 is an apocalyptic number.

2121422000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2121422000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2633047248).

2121422000 is an abundant number, since it is smaller than the sum of its proper divisors (3144672496).

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

2121422000 is an equidigital number, since it uses as much as digits as its factorization.

2121422000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736 (or 679 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2121422000 is about 46058.8970775463. The cubic root of 2121422000 is about 1284.9188177654.

Adding to 2121422000 its reverse (2241212), we get a palindrome (2123663212).

The spelling of 2121422000 in words is "two billion, one hundred twenty-one million, four hundred twenty-two thousand".