1120321021221 has 6 divisors (see below), whose sum is σ = 1618241475110. Its totient is φ = 746880680808.

The previous prime is 1120321021201. The next prime is 1120321021271. The reversal of 1120321021221 is 1221201230211.

1120321021221 is a `hidden beast` number, since 1 + 120 + 321 + 0 + 2 + 1 + 221 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1101964565025 + 18356456196 = 1049745^2 + 135486^2 .

It is not a de Polignac number, because 1120321021221 - 2²¹ = 1120318924069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120321021194 and 1120321021203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120321021201) 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, 62240056726 + ... + 62240056743.

Almost surely, 2^{1120321021221} is an apocalyptic number.

It is an amenable number.

1120321021221 is a deficient number, since it is larger than the sum of its proper divisors (497920453889).

1120321021221 is a wasteful number, since it uses less digits than its factorization.

1120321021221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124480113475 (or 124480113472 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1120321021221 its reverse (1221201230211), we get a palindrome (2341522251432).

The spelling of 1120321021221 in words is "one trillion, one hundred twenty billion, three hundred twenty-one million, twenty-one thousand, two hundred twenty-one".