1122021000212 has 24 divisors (see below), whose sum is σ = 2244649197504. Its totient is φ = 480736029312.

The previous prime is 1122021000211. The next prime is 1122021000239. The reversal of 1122021000212 is 2120001202211.

It is a super-2 number, since 2×1122021000212² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122021000211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5316038 + ... + 5523069.

It is an arithmetic number, because the mean of its divisors is an integer number (93527049896).

Almost surely, 2^{1122021000212} is an apocalyptic number.

It is an amenable number.

1122021000212 is an abundant number, since it is smaller than the sum of its proper divisors (1122628197292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122021000212 is a wasteful number, since it uses less digits than its factorization.

1122021000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10842815 (or 10842813 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1122021000212 its reverse (2120001202211), we get a palindrome (3242022202423).

The spelling of 1122021000212 in words is "one trillion, one hundred twenty-two billion, twenty-one million, two hundred twelve", and thus it is an aban number.