222211101011101 has 4 divisors (see below), whose sum is σ = 224411210922204. Its totient is φ = 220010991100000.

The previous prime is 222211101011083. The next prime is 222211101011113. The reversal of 222211101011101 is 101110101112222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 166957538652025 + 55253562359076 = 12921205^2 + 7433274^2 .

It is a cyclic number.

It is not a de Polignac number, because 222211101011101 - 2²⁷ = 222210966793373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222211101014101) 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, 1100054955400 + ... + 1100054955601.

It is an arithmetic number, because the mean of its divisors is an integer number (56102802730551).

Almost surely, 2^{222211101011101} is an apocalyptic number.

It is an amenable number.

222211101011101 is a deficient number, since it is larger than the sum of its proper divisors (2200109911103).

222211101011101 is a wasteful number, since it uses less digits than its factorization.

222211101011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200109911102.

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

Adding to 222211101011101 its reverse (101110101112222), we get a palindrome (323321202123323).

The spelling of 222211101011101 in words is "two hundred twenty-two trillion, two hundred eleven billion, one hundred one million, eleven thousand, one hundred one".