11012212221001 has 4 divisors (see below), whose sum is σ = 11034824566912. Its totient is φ = 10989599875092.

The previous prime is 11012212220927. The next prime is 11012212221029. The reversal of 11012212221001 is 10012221221011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11012212221001 - 2¹⁷ = 11012212089929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11012212221301) 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, 11306172225 + ... + 11306173198.

It is an arithmetic number, because the mean of its divisors is an integer number (2758706141728).

Almost surely, 2^{11012212221001} is an apocalyptic number.

It is an amenable number.

11012212221001 is a deficient number, since it is larger than the sum of its proper divisors (22612345911).

11012212221001 is an equidigital number, since it uses as much as digits as its factorization.

11012212221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22612345910.

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

Adding to 11012212221001 its reverse (10012221221011), we get a palindrome (21024433442012).

The spelling of 11012212221001 in words is "eleven trillion, twelve billion, two hundred twelve million, two hundred twenty-one thousand, one".