222201022012101 has 24 divisors (see below), whose sum is σ = 370731116942784. Its totient is φ = 126745681004160.

The previous prime is 222201022012087. The next prime is 222201022012153. The reversal of 222201022012101 is 101210220102222.

It is a happy number.

222201022012101 is a `hidden beast` number, since 2 + 2 + 220 + 10 + 220 + 1 + 210 + 1 = 666.

It is not a de Polignac number, because 222201022012101 - 2¹⁸ = 222201021749957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222201022052101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66013373841 + ... + 66013377206.

It is an arithmetic number, because the mean of its divisors is an integer number (15447129872616).

Almost surely, 2^{222201022012101} is an apocalyptic number.

It is an amenable number.

222201022012101 is a deficient number, since it is larger than the sum of its proper divisors (148530094930683).

222201022012101 is a wasteful number, since it uses less digits than its factorization.

222201022012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132026751081 (or 132026751078 counting only the distinct ones).

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

Adding to 222201022012101 its reverse (101210220102222), we get a palindrome (323411242114323).

The spelling of 222201022012101 in words is "two hundred twenty-two trillion, two hundred one billion, twenty-two million, twelve thousand, one hundred one".