210001121022212 has 24 divisors (see below), whose sum is σ = 395771947543896. Its totient is φ = 96923446380288.

The previous prime is 210001121022181. The next prime is 210001121022241. The reversal of 210001121022212 is 212220121100012.

210001121022212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8904160512256 + 201096960509956 = 2983984^2 + 14180866^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36044798 + ... + 41463594.

It is an arithmetic number, because the mean of its divisors is an integer number (16490497814329).

Almost surely, 2^{210001121022212} is an apocalyptic number.

It is an amenable number.

210001121022212 is a deficient number, since it is larger than the sum of its proper divisors (185770826521684).

210001121022212 is a wasteful number, since it uses less digits than its factorization.

210001121022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6164087 (or 6164085 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210001121022212 its reverse (212220121100012), we get a palindrome (422221242122224).

The spelling of 210001121022212 in words is "two hundred ten trillion, one billion, one hundred twenty-one million, twenty-two thousand, two hundred twelve".