2122121441400 has 48 divisors (see below), whose sum is σ = 6578576470200. Its totient is φ = 565899050880.

The previous prime is 2122121441399. The next prime is 2122121441411. The reversal of 2122121441400 is 41441212212.

It is a happy number.

It is a super-2 number, since 2×2122121441400² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 1768433935 + ... + 1768435134.

Almost surely, 2^{2122121441400} is an apocalyptic number.

2122121441400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122121441400 is an abundant number, since it is smaller than the sum of its proper divisors (4456455028800).

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

2122121441400 is a wasteful number, since it uses less digits than its factorization.

2122121441400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3536869088 (or 3536869079 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 2122121441400 its reverse (41441212212), we get a palindrome (2163562653612).

The spelling of 2122121441400 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-one million, four hundred forty-one thousand, four hundred".