11220122002001 has 4 divisors (see below), whose sum is σ = 12240133093104. Its totient is φ = 10200110910900.

The previous prime is 11220122001967. The next prime is 11220122002057. The reversal of 11220122002001 is 10020022102211.

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 11220122002001 - 2⁶ = 11220122001937 is a prime.

It is a super-3 number, since 3×11220122002001³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220122062001) 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 3 ways as a sum of consecutive naturals, for example, 510005545535 + ... + 510005545556.

It is an arithmetic number, because the mean of its divisors is an integer number (3060033273276).

Almost surely, 2^{11220122002001} is an apocalyptic number.

11220122002001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11220122002001 is a deficient number, since it is larger than the sum of its proper divisors (1020011091103).

11220122002001 is a wasteful number, since it uses less digits than its factorization.

11220122002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020011091102.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11220122002001 its reverse (10020022102211), we get a palindrome (21240144104212).

The spelling of 11220122002001 in words is "eleven trillion, two hundred twenty billion, one hundred twenty-two million, two thousand, one".