1032111211221 has 6 divisors (see below), whose sum is σ = 1490827305110. Its totient is φ = 688074140808.

The previous prime is 1032111211207. The next prime is 1032111211277. The reversal of 1032111211221 is 1221121112301.

It is a happy number.

1032111211221 is a `hidden beast` number, since 1 + 0 + 321 + 1 + 121 + 1 + 221 = 666.

It can be written as a sum of positive squares in only one way, i.e., 992990327121 + 39120884100 = 996489^2 + 197790^2 .

It is not a de Polignac number, because 1032111211221 - 2¹³ = 1032111203029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1032111211194 and 1032111211203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032111211321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57339511726 + ... + 57339511743.

Almost surely, 2^{1032111211221} is an apocalyptic number.

It is an amenable number.

1032111211221 is a deficient number, since it is larger than the sum of its proper divisors (458716093889).

1032111211221 is a wasteful number, since it uses less digits than its factorization.

1032111211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114679023475 (or 114679023472 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 1032111211221 its reverse (1221121112301), we get a palindrome (2253232323522).

The spelling of 1032111211221 in words is "one trillion, thirty-two billion, one hundred eleven million, two hundred eleven thousand, two hundred twenty-one".