2121011230926 has 32 divisors (see below), whose sum is σ = 4848085186560. Its totient is φ = 605995769376.

The previous prime is 2121011230867. The next prime is 2121011230927. The reversal of 2121011230926 is 6290321101212.

It is a junction number, because it is equal to n+sod(n) for n = 2121011230893 and 2121011230902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121011230927) 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, 3789955 + ... + 4313441.

It is an arithmetic number, because the mean of its divisors is an integer number (151502662080).

Almost surely, 2^{2121011230926} is an apocalyptic number.

2121011230926 is an abundant number, since it is smaller than the sum of its proper divisors (2727073955634).

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

2121011230926 is a wasteful number, since it uses less digits than its factorization.

2121011230926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619968.

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 2121011230926 in words is "two trillion, one hundred twenty-one billion, eleven million, two hundred thirty thousand, nine hundred twenty-six".