1122212002021 has 8 divisors (see below), whose sum is σ = 1236352377888. Its totient is φ = 1010091810000.

The previous prime is 1122212002007. The next prime is 1122212002049. The reversal of 1122212002021 is 1202002122211.

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 1122212002021 - 2¹³ = 1122211993829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122212001986 and 1122212002004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122212402021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505044795 + ... + 505047016.

It is an arithmetic number, because the mean of its divisors is an integer number (154544047236).

Almost surely, 2^{1122212002021} is an apocalyptic number.

1122212002021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1122212002021 is a deficient number, since it is larger than the sum of its proper divisors (114140375867).

1122212002021 is a wasteful number, since it uses less digits than its factorization.

1122212002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010091923.

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

Adding to 1122212002021 its reverse (1202002122211), we get a palindrome (2324214124232).

The spelling of 1122212002021 in words is "one trillion, one hundred twenty-two billion, two hundred twelve million, two thousand, twenty-one".