2201121011111 has 16 divisors (see below), whose sum is σ = 2528136230400. Its totient is φ = 1895302440000.

The previous prime is 2201121011101. The next prime is 2201121011143. The reversal of 2201121011111 is 1111101211022.

It is not a de Polignac number, because 2201121011111 - 2¹⁴ = 2201120994727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201121011101) 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, 115406 + ... + 2101323.

It is an arithmetic number, because the mean of its divisors is an integer number (158008514400).

Almost surely, 2^{2201121011111} is an apocalyptic number.

2201121011111 is a deficient number, since it is larger than the sum of its proper divisors (327015219289).

2201121011111 is a wasteful number, since it uses less digits than its factorization.

2201121011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221510.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 2201121011111 its reverse (1111101211022), we get a palindrome (3312222222133).

The spelling of 2201121011111 in words is "two trillion, two hundred one billion, one hundred twenty-one million, eleven thousand, one hundred eleven".