22121041030001 has 4 divisors (see below), whose sum is σ = 22369592052900. Its totient is φ = 21872490007104.

The previous prime is 22121041029911. The next prime is 22121041030129. The reversal of 22121041030001 is 10003014012122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2571776712976 + 19549264317025 = 1603676^2 + 4421455^2 .

It is a cyclic number.

It is not a de Polignac number, because 22121041030001 - 2¹⁸ = 22121040767857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22121041030301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124275511316 + ... + 124275511493.

It is an arithmetic number, because the mean of its divisors is an integer number (5592398013225).

Almost surely, 2^{22121041030001} is an apocalyptic number.

It is an amenable number.

22121041030001 is a deficient number, since it is larger than the sum of its proper divisors (248551022899).

22121041030001 is an equidigital number, since it uses as much as digits as its factorization.

22121041030001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248551022898.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22121041030001 its reverse (10003014012122), we get a palindrome (32124055042123).

The spelling of 22121041030001 in words is "twenty-two trillion, one hundred twenty-one billion, forty-one million, thirty thousand, one".