2121023202033 has 16 divisors (see below), whose sum is σ = 2977008955200. Its totient is φ = 1339533172800.

The previous prime is 2121023202029. The next prime is 2121023202049. The reversal of 2121023202033 is 3302023201212.

It is a happy number.

It is not a de Polignac number, because 2121023202033 - 2² = 2121023202029 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2121023202833) 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, 452683 + ... + 2108783.

It is an arithmetic number, because the mean of its divisors is an integer number (186063059700).

Almost surely, 2^{2121023202033} is an apocalyptic number.

It is an amenable number.

2121023202033 is a deficient number, since it is larger than the sum of its proper divisors (855985753167).

2121023202033 is a wasteful number, since it uses less digits than its factorization.

2121023202033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678592.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2121023202033 its reverse (3302023201212), we get a palindrome (5423046403245).

The spelling of 2121023202033 in words is "two trillion, one hundred twenty-one billion, twenty-three million, two hundred two thousand, thirty-three".