1100323210121 has 16 divisors (see below), whose sum is σ = 1170058411008. Its totient is φ = 1031152012800.

The previous prime is 1100323210067. The next prime is 1100323210127. The reversal of 1100323210121 is 1210123230011.

It is a cyclic number.

It is not a de Polignac number, because 1100323210121 - 2⁶ = 1100323210057 is a prime.

It is a super-2 number, since 2×1100323210121² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1100323210121.

It is not an unprimeable number, because it can be changed into a prime (1100323210127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4733936 + ... + 4960926.

It is an arithmetic number, because the mean of its divisors is an integer number (73128650688).

Almost surely, 2^{1100323210121} is an apocalyptic number.

It is an amenable number.

1100323210121 is a deficient number, since it is larger than the sum of its proper divisors (69735200887).

1100323210121 is a wasteful number, since it uses less digits than its factorization.

1100323210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228232.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1100323210121 its reverse (1210123230011), we get a palindrome (2310446440132).

The spelling of 1100323210121 in words is "one trillion, one hundred billion, three hundred twenty-three million, two hundred ten thousand, one hundred twenty-one".