2011220101101 has 16 divisors (see below), whose sum is σ = 2708288218944. Its totient is φ = 1327497502464.

The previous prime is 2011220101003. The next prime is 2011220101103. The reversal of 2011220101101 is 1011010221102.

It is not a de Polignac number, because 2011220101101 - 2¹⁰ = 2011220100077 is a prime.

It is a super-2 number, since 2×2011220101101² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011220101103) 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, 1306956 + ... + 2393861.

It is an arithmetic number, because the mean of its divisors is an integer number (169268013684).

Almost surely, 2^{2011220101101} is an apocalyptic number.

It is an amenable number.

2011220101101 is a deficient number, since it is larger than the sum of its proper divisors (697068117843).

2011220101101 is a wasteful number, since it uses less digits than its factorization.

2011220101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3702620.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2011220101101 its reverse (1011010221102), we get a palindrome (3022230322203).

The spelling of 2011220101101 in words is "two trillion, eleven billion, two hundred twenty million, one hundred one thousand, one hundred one".