1121220211022 has 4 divisors (see below), whose sum is σ = 1681830316536. Its totient is φ = 560610105510.

The previous prime is 1121220211019. The next prime is 1121220211091. The reversal of 1121220211022 is 2201120221211.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280305052754 + ... + 280305052757.

It is an arithmetic number, because the mean of its divisors is an integer number (420457579134).

Almost surely, 2^{1121220211022} is an apocalyptic number.

1121220211022 is a deficient number, since it is larger than the sum of its proper divisors (560610105514).

1121220211022 is an equidigital number, since it uses as much as digits as its factorization.

1121220211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560610105513.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1121220211022 its reverse (2201120221211), we get a palindrome (3322340432233).

The spelling of 1121220211022 in words is "one trillion, one hundred twenty-one billion, two hundred twenty million, two hundred eleven thousand, twenty-two".