11102201222021 has 16 divisors (see below), whose sum is σ = 14105029843968. Its totient is φ = 8500799232000.

The previous prime is 11102201221973. The next prime is 11102201222051. The reversal of 11102201222021 is 12022210220111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11102201222021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102201222051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1967774780 + ... + 1967780421.

It is an arithmetic number, because the mean of its divisors is an integer number (881564365248).

Almost surely, 2^{11102201222021} is an apocalyptic number.

It is an amenable number.

11102201222021 is a deficient number, since it is larger than the sum of its proper divisors (3002828621947).

11102201222021 is a wasteful number, since it uses less digits than its factorization.

11102201222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3935555252.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11102201222021 its reverse (12022210220111), we get a palindrome (23124411442132).

The spelling of 11102201222021 in words is "eleven trillion, one hundred two billion, two hundred one million, two hundred twenty-two thousand, twenty-one".