2021121103001 has 24 divisors (see below), whose sum is σ = 2762131546944. Its totient is φ = 1453753435680.

The previous prime is 2021121102983. The next prime is 2021121103037. The reversal of 2021121103001 is 1003011211202.

It is not a de Polignac number, because 2021121103001 - 2¹⁸ = 2021120840857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021121103051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144214565 + ... + 144228578.

It is an arithmetic number, because the mean of its divisors is an integer number (115088814456).

Almost surely, 2^{2021121103001} is an apocalyptic number.

It is an amenable number.

2021121103001 is a deficient number, since it is larger than the sum of its proper divisors (741010443943).

2021121103001 is a wasteful number, since it uses less digits than its factorization.

2021121103001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288443181 (or 288443174 counting only the distinct ones).

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

Adding to 2021121103001 its reverse (1003011211202), we get a palindrome (3024132314203).

The spelling of 2021121103001 in words is "two trillion, twenty-one billion, one hundred twenty-one million, one hundred three thousand, one".