1121101021222 has 48 divisors (see below), whose sum is σ = 2107034475840. Its totient is φ = 443438779392.

The previous prime is 1121101021219. The next prime is 1121101021273. The reversal of 1121101021222 is 2221201011211.

It is a super-2 number, since 2×1121101021222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121101021196 and 1121101021205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7939654 + ... + 8079622.

It is an arithmetic number, because the mean of its divisors is an integer number (43896551580).

Almost surely, 2^{1121101021222} is an apocalyptic number.

1121101021222 is a deficient number, since it is larger than the sum of its proper divisors (985933454618).

1121101021222 is a wasteful number, since it uses less digits than its factorization.

1121101021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146285 (or 146278 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1121101021222 its reverse (2221201011211), we get a palindrome (3342302032433).

The spelling of 1121101021222 in words is "one trillion, one hundred twenty-one billion, one hundred one million, twenty-one thousand, two hundred twenty-two".