1001111222358 has 24 divisors (see below), whose sum is σ = 2335926186048. Its totient is φ = 308034222192.

The previous prime is 1001111222317. The next prime is 1001111222359. The reversal of 1001111222358 is 8532221111001.

1001111222358 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1001111222358² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001111222359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2139126310 + ... + 2139126777.

It is an arithmetic number, because the mean of its divisors is an integer number (97330257752).

Almost surely, 2^{1001111222358} is an apocalyptic number.

1001111222358 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1001111222358 is an abundant number, since it is smaller than the sum of its proper divisors (1334814963690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001111222358 is a wasteful number, since it uses less digits than its factorization.

1001111222358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4278253108 (or 4278253105 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

Adding to 1001111222358 its reverse (8532221111001), we get a palindrome (9533332333359).

The spelling of 1001111222358 in words is "one trillion, one billion, one hundred eleven million, two hundred twenty-two thousand, three hundred fifty-eight".