1101002301221 has 4 divisors (see below), whose sum is σ = 1101995090700. Its totient is φ = 1100009511744.

The previous prime is 1101002301193. The next prime is 1101002301229. The reversal of 1101002301221 is 1221032001011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 436147972225 + 664854328996 = 660415^2 + 815386^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101002301221 is a prime.

It is a super-4 number, since 4×1101002301221⁴ (a number of 49 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101002301196 and 1101002301205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101002301229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496393076 + ... + 496395293.

It is an arithmetic number, because the mean of its divisors is an integer number (275498772675).

Almost surely, 2^{1101002301221} is an apocalyptic number.

It is an amenable number.

1101002301221 is a deficient number, since it is larger than the sum of its proper divisors (992789479).

1101002301221 is an equidigital number, since it uses as much as digits as its factorization.

1101002301221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992789478.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1101002301221 its reverse (1221032001011), we get a palindrome (2322034302232).

The spelling of 1101002301221 in words is "one trillion, one hundred one billion, two million, three hundred one thousand, two hundred twenty-one".