111222212232001 has 8 divisors (see below), whose sum is σ = 119806775981480. Its totient is φ = 102641792620032.

The previous prime is 111222212231957. The next prime is 111222212232083. The reversal of 111222212232001 is 100232212222111.

It can be written as a sum of positive squares in 4 ways, for example, as 2283728462401 + 108938483769600 = 1511201^2 + 10437360^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111222212232001 - 2²⁷ = 111222078014273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111222212232101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035978630 + ... + 1036085983.

It is an arithmetic number, because the mean of its divisors is an integer number (14975846997685).

Almost surely, 2^{111222212232001} is an apocalyptic number.

It is an amenable number.

111222212232001 is a deficient number, since it is larger than the sum of its proper divisors (8584563749479).

111222212232001 is a wasteful number, since it uses less digits than its factorization.

111222212232001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072068755.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 111222212232001 its reverse (100232212222111), we get a palindrome (211454424454112).

The spelling of 111222212232001 in words is "one hundred eleven trillion, two hundred twenty-two billion, two hundred twelve million, two hundred thirty-two thousand, one".