1100331210121 has 32 divisors (see below), whose sum is σ = 1321804044288. Its totient is φ = 902611698240.

The previous prime is 1100331210119. The next prime is 1100331210157. The reversal of 1100331210121 is 1210121330011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1100331210121 - 2¹ = 1100331210119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1100331210095 and 1100331210104.

It is not an unprimeable number, because it can be changed into a prime (1100331214121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5459286 + ... + 5657248.

It is an arithmetic number, because the mean of its divisors is an integer number (41306376384).

Almost surely, 2^{1100331210121} is an apocalyptic number.

1100331210121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1100331210121 is a deficient number, since it is larger than the sum of its proper divisors (221472834167).

1100331210121 is a wasteful number, since it uses less digits than its factorization.

1100331210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198861.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1100331210121 its reverse (1210121330011), we get a palindrome (2310452540132).

The spelling of 1100331210121 in words is "one trillion, one hundred billion, three hundred thirty-one million, two hundred ten thousand, one hundred twenty-one".