2201012211111 has 64 divisors (see below), whose sum is σ = 3439805107200. Its totient is φ = 1225978592256.

The previous prime is 2201012211091. The next prime is 2201012211119. The reversal of 2201012211111 is 1111122101022.

It is a happy number.

It is not a de Polignac number, because 2201012211111 - 2²⁶ = 2200945102247 is a prime.

It is a super-5 number, since 5×2201012211111⁵ (a number of 63 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201012211119) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66320920 + ... + 66354098.

It is an arithmetic number, because the mean of its divisors is an integer number (53746954800).

Almost surely, 2^{2201012211111} is an apocalyptic number.

2201012211111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2201012211111 is a deficient number, since it is larger than the sum of its proper divisors (1238792896089).

2201012211111 is a wasteful number, since it uses less digits than its factorization.

2201012211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33768.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2201012211111 its reverse (1111122101022), we get a palindrome (3312134312133).

The spelling of 2201012211111 in words is "two trillion, two hundred one billion, twelve million, two hundred eleven thousand, one hundred eleven".