222220201220011 has 4 divisors (see below), whose sum is σ = 222342099302592. Its totient is φ = 222098303137432.

The previous prime is 222220201219981. The next prime is 222220201220029. The reversal of 222220201220011 is 110022102022222.

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

It is a cyclic number.

It is not a de Polignac number, because 222220201220011 - 2²⁹ = 222219664349099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222220201220041) 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, 60949038556 + ... + 60949042201.

It is an arithmetic number, because the mean of its divisors is an integer number (55585524825648).

Almost surely, 2^{222220201220011} is an apocalyptic number.

222220201220011 is a deficient number, since it is larger than the sum of its proper divisors (121898082581).

222220201220011 is a wasteful number, since it uses less digits than its factorization.

222220201220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121898082580.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222220201220011 its reverse (110022102022222), we get a palindrome (332242303242233).

The spelling of 222220201220011 in words is "two hundred twenty-two trillion, two hundred twenty billion, two hundred one million, two hundred twenty thousand, eleven".