2011222202231 has 16 divisors (see below), whose sum is σ = 2222055168000. Its totient is φ = 1805059620000.

The previous prime is 2011222202221. The next prime is 2011222202243. The reversal of 2011222202231 is 1322022221102.

It is a cyclic number.

It is not a de Polignac number, because 2011222202231 - 2¹⁰ = 2011222201207 is a prime.

It is a super-2 number, since 2×2011222202231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011222202221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9015170 + ... + 9235568.

It is an arithmetic number, because the mean of its divisors is an integer number (138878448000).

Almost surely, 2^{2011222202231} is an apocalyptic number.

2011222202231 is a deficient number, since it is larger than the sum of its proper divisors (210832965769).

2011222202231 is a wasteful number, since it uses less digits than its factorization.

2011222202231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230990.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2011222202231 its reverse (1322022221102), we get a palindrome (3333244423333).

The spelling of 2011222202231 in words is "two trillion, eleven billion, two hundred twenty-two million, two hundred two thousand, two hundred thirty-one".