2220121010011 has 4 divisors (see below), whose sum is σ = 2220124061512. Its totient is φ = 2220117958512.

The previous prime is 2220121009979. The next prime is 2220121010057. The reversal of 2220121010011 is 1100101210222.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2220121010011 - 2⁵ = 2220121009979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220121009973 and 2220121010000.

It is not an unprimeable number, because it can be changed into a prime (2220122010011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270400 + ... + 2124466.

It is an arithmetic number, because the mean of its divisors is an integer number (555031015378).

Almost surely, 2^{2220121010011} is an apocalyptic number.

2220121010011 is a deficient number, since it is larger than the sum of its proper divisors (3051501).

2220121010011 is a wasteful number, since it uses less digits than its factorization.

2220121010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3051500.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2220121010011 its reverse (1100101210222), we get a palindrome (3320222220233).

The spelling of 2220121010011 in words is "two trillion, two hundred twenty billion, one hundred twenty-one million, ten thousand, eleven".