201021110211122 has 8 divisors (see below), whose sum is σ = 301533262716672. Its totient is φ = 100510022638900.

The previous prime is 201021110211101. The next prime is 201021110211137. The reversal of 201021110211122 is 221112011120102.

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 201021110211122.

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, 265761254 + ... + 266516577.

It is an arithmetic number, because the mean of its divisors is an integer number (37691657839584).

Almost surely, 2^{201021110211122} is an apocalyptic number.

201021110211122 is a deficient number, since it is larger than the sum of its proper divisors (100512152505550).

201021110211122 is a wasteful number, since it uses less digits than its factorization.

201021110211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532466664.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 201021110211122 its reverse (221112011120102), we get a palindrome (422133121331224).

The spelling of 201021110211122 in words is "two hundred one trillion, twenty-one billion, one hundred ten million, two hundred eleven thousand, one hundred twenty-two".