1020221100112 has 20 divisors (see below), whose sum is σ = 1976694839956. Its totient is φ = 510106302720.

The previous prime is 1020221100109. The next prime is 1020221100149. The reversal of 1020221100112 is 2110011220201.

It can be written as a sum of positive squares in 2 ways, for example, as 633864376336 + 386356723776 = 796156^2 + 621576^2 .

It is a super-2 number, since 2×1020221100112² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020221100092 and 1020221100101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2763562 + ... + 3110902.

Almost surely, 2^{1020221100112} is an apocalyptic number.

It is an amenable number.

1020221100112 is a deficient number, since it is larger than the sum of its proper divisors (956473739844).

1020221100112 is a wasteful number, since it uses less digits than its factorization.

1020221100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530926 (or 530920 counting only the distinct ones).

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

Adding to 1020221100112 its reverse (2110011220201), we get a palindrome (3130232320313).

The spelling of 1020221100112 in words is "one trillion, twenty billion, two hundred twenty-one million, one hundred thousand, one hundred twelve".