11221120022001 has 32 divisors (see below), whose sum is σ = 15144192000000. Its totient is φ = 7389978602688.

The previous prime is 11221120021973. The next prime is 11221120022029. The reversal of 11221120022001 is 10022002112211.

It is an interprime number because it is at equal distance from previous prime (11221120021973) and next prime (11221120022029).

It is not a de Polignac number, because 11221120022001 - 2¹³ = 11221120013809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11221120022051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213371956 + ... + 213424538.

It is an arithmetic number, because the mean of its divisors is an integer number (473256000000).

Almost surely, 2^{11221120022001} is an apocalyptic number.

It is an amenable number.

11221120022001 is a deficient number, since it is larger than the sum of its proper divisors (3923071977999).

11221120022001 is a wasteful number, since it uses less digits than its factorization.

11221120022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55333.

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

Adding to 11221120022001 its reverse (10022002112211), we get a palindrome (21243122134212).

The spelling of 11221120022001 in words is "eleven trillion, two hundred twenty-one billion, one hundred twenty million, twenty-two thousand, one".