2021220110011 has 8 divisors (see below), whose sum is σ = 2029388531184. Its totient is φ = 2013052608000.

The previous prime is 2021220109969. The next prime is 2021220110027. The reversal of 2021220110011 is 1100110221202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021220110011 is a prime.

It is a super-2 number, since 2×2021220110011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2021220109973 and 2021220110000.

It is not an unprimeable number, because it can be changed into a prime (2021220110711) 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, 4361971 + ... + 4803043.

It is an arithmetic number, because the mean of its divisors is an integer number (253673566398).

Almost surely, 2^{2021220110011} is an apocalyptic number.

2021220110011 is a deficient number, since it is larger than the sum of its proper divisors (8168421173).

2021220110011 is a wasteful number, since it uses less digits than its factorization.

2021220110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459581.

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

Adding to 2021220110011 its reverse (1100110221202), we get a palindrome (3121330331213).

The spelling of 2021220110011 in words is "two trillion, twenty-one billion, two hundred twenty million, one hundred ten thousand, eleven".