1120002111221 has 8 divisors (see below), whose sum is σ = 1280328227520. Its totient is φ = 959757448608.

The previous prime is 1120002111211. The next prime is 1120002111259. The reversal of 1120002111221 is 1221112000211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1120002111221 - 2¹⁴ = 1120002094837 is a prime.

It is a super-2 number, since 2×1120002111221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120002111196 and 1120002111205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120002111211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20333951 + ... + 20388956.

It is an arithmetic number, because the mean of its divisors is an integer number (160041028440).

Almost surely, 2^{1120002111221} is an apocalyptic number.

It is an amenable number.

1120002111221 is a deficient number, since it is larger than the sum of its proper divisors (160326116299).

1120002111221 is an equidigital number, since it uses as much as digits as its factorization.

1120002111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40726843.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1120002111221 its reverse (1221112000211), we get a palindrome (2341114111432).

It can be divided in two parts, 112000211 and 1221, that multiplied together give a palindrome (136752257631).

The spelling of 1120002111221 in words is "one trillion, one hundred twenty billion, two million, one hundred eleven thousand, two hundred twenty-one".