201101022121222 has 16 divisors (see below), whose sum is σ = 301676184665280. Its totient is φ = 100542294286272.

The previous prime is 201101022121189. The next prime is 201101022121261. The reversal of 201101022121222 is 222121220101102.

It is a self number, because there is not a number n which added to its sum of digits gives 201101022121222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1438842979 + ... + 1438982737.

It is an arithmetic number, because the mean of its divisors is an integer number (18854761541580).

Almost surely, 2^{201101022121222} is an apocalyptic number.

201101022121222 is a deficient number, since it is larger than the sum of its proper divisors (100575162544058).

201101022121222 is a wasteful number, since it uses less digits than its factorization.

201101022121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193407.

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

Adding to 201101022121222 its reverse (222121220101102), we get a palindrome (423222242222324).

The spelling of 201101022121222 in words is "two hundred one trillion, one hundred one billion, twenty-two million, one hundred twenty-one thousand, two hundred twenty-two".