2011210122204 has 36 divisors (see below), whose sum is σ = 5170059924120. Its totient is φ = 659040604320.

The previous prime is 2011210122193. The next prime is 2011210122217. The reversal of 2011210122204 is 4022210121102.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2011210122204² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 473446587 + ... + 473450834.

It is an arithmetic number, because the mean of its divisors is an integer number (143612775670).

Almost surely, 2^{2011210122204} is an apocalyptic number.

It is an amenable number.

2011210122204 is an abundant number, since it is smaller than the sum of its proper divisors (3158849801916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2011210122204 is a wasteful number, since it uses less digits than its factorization.

2011210122204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946897490 (or 946897485 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2011210122204 its reverse (4022210121102), we get a palindrome (6033420243306).

The spelling of 2011210122204 in words is "two trillion, eleven billion, two hundred ten million, one hundred twenty-two thousand, two hundred four".