201012222101121 has 24 divisors (see below), whose sum is σ = 294330411554816. Its totient is φ = 132171515916480.

The previous prime is 201012222101059. The next prime is 201012222101137. The reversal of 201012222101121 is 121101222210102.

201012222101121 is a `hidden beast` number, since 20 + 101 + 222 + 210 + 112 + 1 = 666.

It is not a de Polignac number, because 201012222101121 - 2⁴⁶ = 130643477923457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201012222101094 and 201012222101103.

It is not an unprimeable number, because it can be changed into a prime (201012222101021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102932616 + ... + 104867286.

Almost surely, 2^{201012222101121} is an apocalyptic number.

It is an amenable number.

201012222101121 is a deficient number, since it is larger than the sum of its proper divisors (93318189453695).

201012222101121 is a wasteful number, since it uses less digits than its factorization.

201012222101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092893 (or 2092890 counting only the distinct ones).

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

Adding to 201012222101121 its reverse (121101222210102), we get a palindrome (322113444311223).

The spelling of 201012222101121 in words is "two hundred one trillion, twelve billion, two hundred twenty-two million, one hundred one thousand, one hundred twenty-one".