201011422212 has 36 divisors (see below), whose sum is σ = 514234047600. Its totient is φ = 66196531632.

The previous prime is 201011422211. The next prime is 201011422223. The reversal of 201011422212 is 212224110102.

201011422212 is a `hidden beast` number, since 20 + 1 + 0 + 11 + 422 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (201011422211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33633462 + ... + 33639437.

It is an arithmetic number, because the mean of its divisors is an integer number (14284279100).

Almost surely, 2^201011422212 is an apocalyptic number.

It is an amenable number.

201011422212 is an abundant number, since it is smaller than the sum of its proper divisors (313222625388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201011422212 is a wasteful number, since it uses less digits than its factorization.

201011422212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67272992 (or 67272987 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 201011422212 its reverse (212224110102), we get a palindrome (413235532314).

The spelling of 201011422212 in words is "two hundred one billion, eleven million, four hundred twenty-two thousand, two hundred twelve".