1121020221022 has 8 divisors (see below), whose sum is σ = 1810878818616. Its totient is φ = 517393948152.

The previous prime is 1121020221017. The next prime is 1121020221029. The reversal of 1121020221022 is 2201220201211.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1121020220987 and 1121020221005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121020221029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21558081148 + ... + 21558081199.

It is an arithmetic number, because the mean of its divisors is an integer number (226359852327).

Almost surely, 2^{1121020221022} is an apocalyptic number.

1121020221022 is a deficient number, since it is larger than the sum of its proper divisors (689858597594).

1121020221022 is a wasteful number, since it uses less digits than its factorization.

1121020221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43116162362.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1121020221022 its reverse (2201220201211), we get a palindrome (3322240422233).

The spelling of 1121020221022 in words is "one trillion, one hundred twenty-one billion, twenty million, two hundred twenty-one thousand, twenty-two".