2122121121203 has 8 divisors (see below), whose sum is σ = 2141599347888. Its totient is φ = 2102655147264.

The previous prime is 2122121121187. The next prime is 2122121121221. The reversal of 2122121121203 is 3021211212212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2122121121203 - 2⁴ = 2122121121187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122121121103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2715026 + ... + 3408167.

It is an arithmetic number, because the mean of its divisors is an integer number (267699918486).

Almost surely, 2^{2122121121203} is an apocalyptic number.

2122121121203 is a deficient number, since it is larger than the sum of its proper divisors (19478226685).

2122121121203 is a wasteful number, since it uses less digits than its factorization.

2122121121203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6126373.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2122121121203 its reverse (3021211212212), we get a palindrome (5143332333415).

The spelling of 2122121121203 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred twenty-one thousand, two hundred three".