1222110011001 has 8 divisors (see below), whose sum is σ = 1777614561504. Its totient is φ = 740672733920.

The previous prime is 1222110010997. The next prime is 1222110011029. The reversal of 1222110011001 is 1001100112221.

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 1222110011001 - 2² = 1222110010997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222110011201) 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, 18516818316 + ... + 18516818381.

It is an arithmetic number, because the mean of its divisors is an integer number (222201820188).

Almost surely, 2^{1222110011001} is an apocalyptic number.

1222110011001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1222110011001 is a deficient number, since it is larger than the sum of its proper divisors (555504550503).

1222110011001 is a wasteful number, since it uses less digits than its factorization.

1222110011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37033636711.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1222110011001 its reverse (1001100112221), we get a palindrome (2223210123222).

It can be divided in two parts, 12221 and 10011001, that multiplied together give a palindrome (122344443221).

The spelling of 1222110011001 in words is "one trillion, two hundred twenty-two billion, one hundred ten million, eleven thousand, one".