2033221154421 has 16 divisors (see below), whose sum is σ = 2726903136960. Its totient is φ = 1347514396800.

The previous prime is 2033221154407. The next prime is 2033221154429. The reversal of 2033221154421 is 1244511223302.

It is a happy number.

It is not a de Polignac number, because 2033221154421 - 2⁵ = 2033221154389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2033221154429) 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, 1292071 + ... + 2394971.

It is an arithmetic number, because the mean of its divisors is an integer number (170431446060).

Almost surely, 2^{2033221154421} is an apocalyptic number.

It is an amenable number.

2033221154421 is a deficient number, since it is larger than the sum of its proper divisors (693681982539).

2033221154421 is a wasteful number, since it uses less digits than its factorization.

2033221154421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106516.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 2033221154421 its reverse (1244511223302), we get a palindrome (3277732377723).

The spelling of 2033221154421 in words is "two trillion, thirty-three billion, two hundred twenty-one million, one hundred fifty-four thousand, four hundred twenty-one".