111022010001 has 24 divisors (see below), whose sum is σ = 183926680704. Its totient is φ = 63215369280.

The previous prime is 111022009993. The next prime is 111022010027. The reversal of 111022010001 is 100010220111.

It is a happy number.

It is not a de Polignac number, because 111022010001 - 2³ = 111022009993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (111022010101) 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, 3117981 + ... + 3153386.

It is an arithmetic number, because the mean of its divisors is an integer number (7663611696).

Almost surely, 2^111022010001 is an apocalyptic number.

It is an amenable number.

111022010001 is a deficient number, since it is larger than the sum of its proper divisors (72904670703).

111022010001 is a wasteful number, since it uses less digits than its factorization.

111022010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6271661 (or 6271658 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 111022010001 its reverse (100010220111), we get a palindrome (211032230112).

The spelling of 111022010001 in words is "one hundred eleven billion, twenty-two million, ten thousand, one".