2021220102011 has 12 divisors (see below), whose sum is σ = 2327126246424. Its totient is φ = 1740763720800.

The previous prime is 2021220101977. The next prime is 2021220102047. The reversal of 2021220102011 is 1102010221202.

It is not a de Polignac number, because 2021220102011 - 2³⁴ = 2004040232827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021220102061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254493650 + ... + 254501591.

It is an arithmetic number, because the mean of its divisors is an integer number (193927187202).

Almost surely, 2^{2021220102011} is an apocalyptic number.

2021220102011 is a deficient number, since it is larger than the sum of its proper divisors (305906144413).

2021220102011 is a wasteful number, since it uses less digits than its factorization.

2021220102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508995290 (or 508995271 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2021220102011 its reverse (1102010221202), we get a palindrome (3123230323213).

The spelling of 2021220102011 in words is "two trillion, twenty-one billion, two hundred twenty million, one hundred two thousand, eleven".