222202021021012 has 12 divisors (see below), whose sum is σ = 388854484159680. Its totient is φ = 111100739832536.

The previous prime is 222202021020953. The next prime is 222202021021039. The reversal of 222202021021012 is 210120120202222.

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, 65816812 + ... + 69110467.

It is an arithmetic number, because the mean of its divisors is an integer number (32404540346640).

Almost surely, 2^{222202021021012} is an apocalyptic number.

It is an amenable number.

222202021021012 is a deficient number, since it is larger than the sum of its proper divisors (166652463138668).

222202021021012 is a wasteful number, since it uses less digits than its factorization.

222202021021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135338990 (or 135338988 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222202021021012 its reverse (210120120202222), we get a palindrome (432322141223234).

The spelling of 222202021021012 in words is "two hundred twenty-two trillion, two hundred two billion, twenty-one million, twenty-one thousand, twelve".