1121122021222 has 64 divisors (see below), whose sum is σ = 2012400101376. Its totient is φ = 458397757440.

The previous prime is 1121122021207. The next prime is 1121122021241. The reversal of 1121122021222 is 2221202211211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121122021222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32815153 + ... + 32849299.

It is an arithmetic number, because the mean of its divisors is an integer number (31443751584).

Almost surely, 2^{1121122021222} is an apocalyptic number.

1121122021222 is a deficient number, since it is larger than the sum of its proper divisors (891278080154).

1121122021222 is a wasteful number, since it uses less digits than its factorization.

1121122021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35461.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1121122021222 its reverse (2221202211211), we get a palindrome (3342324232433).

The spelling of 1121122021222 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-two million, twenty-one thousand, two hundred twenty-two".