2121012344033 has 4 divisors (see below), whose sum is σ = 2313831648048. Its totient is φ = 1928193040020.

The previous prime is 2121012343939. The next prime is 2121012344083. The reversal of 2121012344033 is 3304432101212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2121012344033 - 2²⁶ = 2120945235169 is a prime.

It is a super-2 number, since 2×2121012344033² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2121012343993 and 2121012344011.

It is not an unprimeable number, because it can be changed into a prime (2121012344083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96409651991 + ... + 96409652012.

It is an arithmetic number, because the mean of its divisors is an integer number (578457912012).

Almost surely, 2^{2121012344033} is an apocalyptic number.

It is an amenable number.

2121012344033 is a deficient number, since it is larger than the sum of its proper divisors (192819304015).

2121012344033 is a wasteful number, since it uses less digits than its factorization.

2121012344033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192819304014.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 2121012344033 its reverse (3304432101212), we get a palindrome (5425444445245).

The spelling of 2121012344033 in words is "two trillion, one hundred twenty-one billion, twelve million, three hundred forty-four thousand, thirty-three".