211121012022212 has 12 divisors (see below), whose sum is σ = 370007504826540. Its totient is φ = 105404582071776.

The previous prime is 211121012022209. The next prime is 211121012022259. The reversal of 211121012022212 is 212220210121112.

It can be written as a sum of positive squares in 2 ways, for example, as 102758241876676 + 108362770145536 = 10136974^2 + 10409744^2 .

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, 38980981787 + ... + 38980987202.

It is an arithmetic number, because the mean of its divisors is an integer number (30833958735545).

Almost surely, 2^{211121012022212} is an apocalyptic number.

It is an amenable number.

211121012022212 is a deficient number, since it is larger than the sum of its proper divisors (158886492804328).

211121012022212 is a wasteful number, since it uses less digits than its factorization.

211121012022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77961969670 (or 77961969668 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 211121012022212 its reverse (212220210121112), we get a palindrome (423341222143324).

The spelling of 211121012022212 in words is "two hundred eleven trillion, one hundred twenty-one billion, twelve million, twenty-two thousand, two hundred twelve".