1021120112212 has 12 divisors (see below), whose sum is σ = 1800003702420. Its totient is φ = 506833340096.

The previous prime is 1021120112189. The next prime is 1021120112263. The reversal of 1021120112212 is 2122110211201.

It can be written as a sum of positive squares in 2 ways, for example, as 763659263376 + 257460848836 = 873876^2 + 507406^2 .

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, 931678387 + ... + 931679482.

It is an arithmetic number, because the mean of its divisors is an integer number (150000308535).

Almost surely, 2^{1021120112212} is an apocalyptic number.

It is an amenable number.

1021120112212 is a deficient number, since it is larger than the sum of its proper divisors (778883590208).

1021120112212 is a wasteful number, since it uses less digits than its factorization.

1021120112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863358010 (or 1863358008 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1021120112212 its reverse (2122110211201), we get a palindrome (3143230323413).

The spelling of 1021120112212 in words is "one trillion, twenty-one billion, one hundred twenty million, one hundred twelve thousand, two hundred twelve".