1010221111012 has 12 divisors (see below), whose sum is σ = 1871880294060. Its totient is φ = 475398169856.

The previous prime is 1010221111007. The next prime is 1010221111033. The reversal of 1010221111012 is 2101111220101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 659776054756 + 350445056256 = 812266^2 + 591984^2 .

It is a super-3 number, since 3×1010221111012³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1010221110983 and 1010221111001.

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, 7428096337 + ... + 7428096472.

It is an arithmetic number, because the mean of its divisors is an integer number (155990024505).

Almost surely, 2^{1010221111012} is an apocalyptic number.

It is an amenable number.

1010221111012 is a deficient number, since it is larger than the sum of its proper divisors (861659183048).

1010221111012 is a wasteful number, since it uses less digits than its factorization.

1010221111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14856192830 (or 14856192828 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1010221111012 its reverse (2101111220101), we get a palindrome (3111332331113).

The spelling of 1010221111012 in words is "one trillion, ten billion, two hundred twenty-one million, one hundred eleven thousand, twelve".