11212022121001 has 8 divisors (see below), whose sum is σ = 12074969599560. Its totient is φ = 10349143819392.

The previous prime is 11212022120993. The next prime is 11212022121029. The reversal of 11212022121001 is 10012122021211.

It can be written as a sum of positive squares in 4 ways, for example, as 924453405225 + 10287568715776 = 961485^2 + 3207424^2 .

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 11212022121001 - 2³ = 11212022120993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11212022121301) 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, 16957366 + ... + 17606143.

It is an arithmetic number, because the mean of its divisors is an integer number (1509371199945).

Almost surely, 2^{11212022121001} is an apocalyptic number.

It is an amenable number.

11212022121001 is a deficient number, since it is larger than the sum of its proper divisors (862947478559).

11212022121001 is a wasteful number, since it uses less digits than its factorization.

11212022121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34588475.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11212022121001 its reverse (10012122021211), we get a palindrome (21224144142212).

The spelling of 11212022121001 in words is "eleven trillion, two hundred twelve billion, twenty-two million, one hundred twenty-one thousand, one".