22111021021201 has 16 divisors (see below), whose sum is σ = 25325556056064. Its totient is φ = 18910444435344.

The previous prime is 22111021021123. The next prime is 22111021021223. The reversal of 22111021021201 is 10212012011122.

It is not a de Polignac number, because 22111021021201 - 2⁹ = 22111021020689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22111021021301) 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, 70701960 + ... + 71014006.

It is an arithmetic number, because the mean of its divisors is an integer number (1582847253504).

Almost surely, 2^{22111021021201} is an apocalyptic number.

It is an amenable number.

22111021021201 is a deficient number, since it is larger than the sum of its proper divisors (3214535034863).

22111021021201 is a wasteful number, since it uses less digits than its factorization.

22111021021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334380.

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

Adding to 22111021021201 its reverse (10212012011122), we get a palindrome (32323033032323).

The spelling of 22111021021201 in words is "twenty-two trillion, one hundred eleven billion, twenty-one million, twenty-one thousand, two hundred one".