2121001200311 has 32 divisors (see below), whose sum is σ = 2525155737600. Its totient is φ = 1743951676896.

The previous prime is 2121001200229. The next prime is 2121001200323. The reversal of 2121001200311 is 1130021001212.

It is a cyclic number.

It is not a de Polignac number, because 2121001200311 - 2³⁴ = 2103821331127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121001200011) 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, 4144796 + ... + 4628318.

It is an arithmetic number, because the mean of its divisors is an integer number (78911116800).

Almost surely, 2^{2121001200311} is an apocalyptic number.

2121001200311 is a deficient number, since it is larger than the sum of its proper divisors (404154537289).

2121001200311 is a wasteful number, since it uses less digits than its factorization.

2121001200311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483843.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 2121001200311 its reverse (1130021001212), we get a palindrome (3251022201523).

The spelling of 2121001200311 in words is "two trillion, one hundred twenty-one billion, one million, two hundred thousand, three hundred eleven".