2011122222101 has 8 divisors (see below), whose sum is σ = 2031042746304. Its totient is φ = 1991209295520.

The previous prime is 2011122222097. The next prime is 2011122222143. The reversal of 2011122222101 is 1012222211102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2011122222101 - 2² = 2011122222097 is a prime.

It is a super-2 number, since 2×2011122222101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2011122222101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011122222301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1366640 + ... + 2426921.

It is an arithmetic number, because the mean of its divisors is an integer number (253880343288).

Almost surely, 2^{2011122222101} is an apocalyptic number.

It is an amenable number.

2011122222101 is a deficient number, since it is larger than the sum of its proper divisors (19920524203).

2011122222101 is a wasteful number, since it uses less digits than its factorization.

2011122222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3798811.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2011122222101 its reverse (1012222211102), we get a palindrome (3023344433203).

The spelling of 2011122222101 in words is "two trillion, eleven billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred one".