2121422433403 has 32 divisors (see below), whose sum is σ = 2619368865792. Its totient is φ = 1673103168000.

The previous prime is 2121422433397. The next prime is 2121422433439. The reversal of 2121422433403 is 3043342241212.

It is a cyclic number.

It is not a de Polignac number, because 2121422433403 - 2⁵ = 2121422433371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2121422433803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45119875 + ... + 45166867.

It is an arithmetic number, because the mean of its divisors is an integer number (81855277056).

Almost surely, 2^{2121422433403} is an apocalyptic number.

2121422433403 is a deficient number, since it is larger than the sum of its proper divisors (497946432389).

2121422433403 is a wasteful number, since it uses less digits than its factorization.

2121422433403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48595.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 2121422433403 its reverse (3043342241212), we get a palindrome (5164764674615).

The spelling of 2121422433403 in words is "two trillion, one hundred twenty-one billion, four hundred twenty-two million, four hundred thirty-three thousand, four hundred three".