2111220201101 has 32 divisors (see below), whose sum is σ = 2388557808000. Its totient is φ = 1849470554880.

The previous prime is 2111220201089. The next prime is 2111220201121. The reversal of 2111220201101 is 1011020221112.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111220201101 is a prime.

It is a super-2 number, since 2×2111220201101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111220201121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38393975 + ... + 38448923.

It is an arithmetic number, because the mean of its divisors is an integer number (74642431500).

Almost surely, 2^{2111220201101} is an apocalyptic number.

It is an amenable number.

2111220201101 is a deficient number, since it is larger than the sum of its proper divisors (277337606899).

2111220201101 is a wasteful number, since it uses less digits than its factorization.

2111220201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56189.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2111220201101 its reverse (1011020221112), we get a palindrome (3122240422213).

The spelling of 2111220201101 in words is "two trillion, one hundred eleven billion, two hundred twenty million, two hundred one thousand, one hundred one".