20212122011001 has 8 divisors (see below), whose sum is σ = 26952755147520. Its totient is φ = 13473118440912.

The previous prime is 20212122010981. The next prime is 20212122011027. The reversal of 20212122011001 is 10011022121202.

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

It is not a de Polignac number, because 20212122011001 - 2⁹ = 20212122010489 is a prime.

It is a super-2 number, since 2×20212122011001² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20212122011101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407362665 + ... + 407412278.

It is an arithmetic number, because the mean of its divisors is an integer number (3369094393440).

Almost surely, 2^{20212122011001} is an apocalyptic number.

It is an amenable number.

20212122011001 is a deficient number, since it is larger than the sum of its proper divisors (6740633136519).

20212122011001 is an equidigital number, since it uses as much as digits as its factorization.

20212122011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814783215.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20212122011001 its reverse (10011022121202), we get a palindrome (30223144132203).

The spelling of 20212122011001 in words is "twenty trillion, two hundred twelve billion, one hundred twenty-two million, eleven thousand, one".