222201022012011 has 144 divisors (see below), whose sum is σ = 379109968997760. Its totient is φ = 125024972567040.

The previous prime is 222201022011979. The next prime is 222201022012051. The reversal of 222201022012011 is 110210220102222.

It is a happy number.

222201022012011 is a `hidden beast` number, since 22 + 220 + 1 + 0 + 220 + 1 + 201 + 1 = 666.

It is not a de Polignac number, because 222201022012011 - 2⁵ = 222201022011979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222201022012051) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 52245711961 + ... + 52245716213.

It is an arithmetic number, because the mean of its divisors is an integer number (2632708118040).

Almost surely, 2^{222201022012011} is an apocalyptic number.

222201022012011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

222201022012011 is a deficient number, since it is larger than the sum of its proper divisors (156908946985749).

222201022012011 is a wasteful number, since it uses less digits than its factorization.

222201022012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8066 (or 8056 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222201022012011 its reverse (110210220102222), we get a palindrome (332411242114233).

The spelling of 222201022012011 in words is "two hundred twenty-two trillion, two hundred one billion, twenty-two million, twelve thousand, eleven".