201212222101101 has 48 divisors (see below), whose sum is σ = 312067000813568. Its totient is φ = 129422146906800.

The previous prime is 201212222101097. The next prime is 201212222101103. The reversal of 201212222101101 is 101101222212102.

201212222101101 is a `hidden beast` number, since 2 + 0 + 121 + 222 + 210 + 110 + 1 = 666.

201212222101101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201212222101101 - 2² = 201212222101097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201212222101103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37855171 + ... + 42842016.

Almost surely, 2^{201212222101101} is an apocalyptic number.

It is an amenable number.

201212222101101 is a deficient number, since it is larger than the sum of its proper divisors (110854778712467).

201212222101101 is an equidigital number, since it uses as much as digits as its factorization.

201212222101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80697564 (or 80697552 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 201212222101101 its reverse (101101222212102), we get a palindrome (302313444313203).

The spelling of 201212222101101 in words is "two hundred one trillion, two hundred twelve billion, two hundred twenty-two million, one hundred one thousand, one hundred one".