201022122212 has 24 divisors (see below), whose sum is σ = 354926229504. Its totient is φ = 99616269312.

The previous prime is 201022122179. The next prime is 201022122221. The reversal of 201022122212 is 212221220102.

It is a happy number.

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, 286628 + ... + 695844.

It is an arithmetic number, because the mean of its divisors is an integer number (14788592896).

Almost surely, 2^201022122212 is an apocalyptic number.

It is an amenable number.

201022122212 is a deficient number, since it is larger than the sum of its proper divisors (153904107292).

201022122212 is a wasteful number, since it uses less digits than its factorization.

201022122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410315 (or 410313 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201022122212 its reverse (212221220102), we get a palindrome (413243342314).

The spelling of 201022122212 in words is "two hundred one billion, twenty-two million, one hundred twenty-two thousand, two hundred twelve".