201001012112122 has 8 divisors (see below), whose sum is σ = 301745254241556. Its totient is φ = 100419260698272.

The previous prime is 201001012112099. The next prime is 201001012112227. The reversal of 201001012112122 is 221211210100102.

It can be written as a sum of positive squares in 2 ways, for example, as 189453174111601 + 11547838000521 = 13764199^2 + 3398211^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 201001012112096 and 201001012112105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40622675803 + ... + 40622680750.

Almost surely, 2^{201001012112122} is an apocalyptic number.

201001012112122 is a deficient number, since it is larger than the sum of its proper divisors (100744242129434).

201001012112122 is a wasteful number, since it uses less digits than its factorization.

201001012112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81245357792.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201001012112122 its reverse (221211210100102), we get a palindrome (422212222212224).

The spelling of 201001012112122 in words is "two hundred one trillion, one billion, twelve million, one hundred twelve thousand, one hundred twenty-two".