201101220212122 has 8 divisors (see below), whose sum is σ = 303395482517076. Its totient is φ = 99969392706432.

The previous prime is 201101220212111. The next prime is 201101220212131. The reversal of 201101220212122 is 221212022101102.

It can be written as a sum of positive squares in 2 ways, for example, as 201055923177561 + 45297034561 = 14179419^2 + 212831^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 201101220212122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290608699383 + ... + 290608700074.

Almost surely, 2^{201101220212122} is an apocalyptic number.

201101220212122 is a deficient number, since it is larger than the sum of its proper divisors (102294262304954).

201101220212122 is a wasteful number, since it uses less digits than its factorization.

201101220212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581217399632.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 201101220212122 its reverse (221212022101102), we get a palindrome (422313242313224).

The spelling of 201101220212122 in words is "two hundred one trillion, one hundred one billion, two hundred twenty million, two hundred twelve thousand, one hundred twenty-two".