1011200221012 has 12 divisors (see below), whose sum is σ = 1769957844256. Its totient is φ = 505497979800.

The previous prime is 1011200220971. The next prime is 1011200221013. The reversal of 1011200221012 is 2101220021101.

It is a junction number, because it is equal to n+sod(n) for n = 1011200220983 and 1011200221001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011200221013) 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 3 ways as a sum of consecutive naturals, for example, 25510398 + ... + 25550005.

Almost surely, 2^{1011200221012} is an apocalyptic number.

It is an amenable number.

1011200221012 is a deficient number, since it is larger than the sum of its proper divisors (758757623244).

1011200221012 is a wasteful number, since it uses less digits than its factorization.

1011200221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51065358 (or 51065356 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1011200221012 its reverse (2101220021101), we get a palindrome (3112420242113).

The spelling of 1011200221012 in words is "one trillion, eleven billion, two hundred million, two hundred twenty-one thousand, twelve".