1122202022121 has 24 divisors (see below), whose sum is σ = 1658442493760. Its totient is φ = 730996812000.

The previous prime is 1122202022119. The next prime is 1122202022159. The reversal of 1122202022121 is 1212202022211.

It is a happy number.

It is not a de Polignac number, because 1122202022121 - 2¹ = 1122202022119 is a prime.

It is a super-2 number, since 2×1122202022121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122202022094 and 1122202022103.

It is not an unprimeable number, because it can be changed into a prime (1122202022321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6685591 + ... + 6851388.

Almost surely, 2^{1122202022121} is an apocalyptic number.

It is an amenable number.

1122202022121 is a deficient number, since it is larger than the sum of its proper divisors (536240471639).

1122202022121 is a wasteful number, since it uses less digits than its factorization.

1122202022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13537197 (or 13537194 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1122202022121 its reverse (1212202022211), we get a palindrome (2334404044332).

The spelling of 1122202022121 in words is "one trillion, one hundred twenty-two billion, two hundred two million, twenty-two thousand, one hundred twenty-one".