1112211021020 has 72 divisors (see below), whose sum is σ = 2567626305552. Its totient is φ = 404385372160.

The previous prime is 1112211020969. The next prime is 1112211021029. The reversal of 1112211021020 is 201201122111.

It is a junction number, because it is equal to n+sod(n) for n = 1112211020986 and 1112211021004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112211021029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20574467 + ... + 20628453.

It is an arithmetic number, because the mean of its divisors is an integer number (35661476466).

Almost surely, 2^{1112211021020} is an apocalyptic number.

1112211021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112211021020 is an abundant number, since it is smaller than the sum of its proper divisors (1455415284532).

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

1112211021020 is a wasteful number, since it uses less digits than its factorization.

1112211021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62531 (or 62518 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1112211021020 its reverse (201201122111), we get a palindrome (1313412143131).

The spelling of 1112211021020 in words is "one trillion, one hundred twelve billion, two hundred eleven million, twenty-one thousand, twenty".