1120222220021 has 16 divisors (see below), whose sum is σ = 1129210564608. Its totient is φ = 1111275168000.

The previous prime is 1120222219969. The next prime is 1120222220023. The reversal of 1120222220021 is 1200222220211.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1120222220021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120222220023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94871900 + ... + 94883706.

It is an arithmetic number, because the mean of its divisors is an integer number (70575660288).

Almost surely, 2^{1120222220021} is an apocalyptic number.

It is an amenable number.

1120222220021 is a deficient number, since it is larger than the sum of its proper divisors (8988344587).

1120222220021 is a wasteful number, since it uses less digits than its factorization.

1120222220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13492.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1120222220021 its reverse (1200222220211), we get a palindrome (2320444440232).

The spelling of 1120222220021 in words is "one trillion, one hundred twenty billion, two hundred twenty-two million, two hundred twenty thousand, twenty-one".