1122020212021 has 8 divisors (see below), whose sum is σ = 1123851380288. Its totient is φ = 1120190148000.

The previous prime is 1122020212003. The next prime is 1122020212139. The reversal of 1122020212021 is 1202120202211.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1122020212021 - 2⁵ = 1122020211989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122020211986 and 1122020212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122020213021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1770136 + ... + 2318926.

It is an arithmetic number, because the mean of its divisors is an integer number (140481422536).

Almost surely, 2^{1122020212021} is an apocalyptic number.

It is an amenable number.

1122020212021 is a deficient number, since it is larger than the sum of its proper divisors (1831168267).

1122020212021 is an equidigital number, since it uses as much as digits as its factorization.

1122020212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552123.

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

Adding to 1122020212021 its reverse (1202120202211), we get a palindrome (2324140414232).

The spelling of 1122020212021 in words is "one trillion, one hundred twenty-two billion, twenty million, two hundred twelve thousand, twenty-one".