2021221011110 has 96 divisors (see below), whose sum is σ = 4314156318720. Its totient is φ = 679684824000.

The previous prime is 2021221011107. The next prime is 2021221011133. The reversal of 2021221011110 is 111101221202.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5672315 + ... + 6018105.

It is an arithmetic number, because the mean of its divisors is an integer number (44939128320).

Almost surely, 2^{2021221011110} is an apocalyptic number.

2021221011110 is an abundant number, since it is smaller than the sum of its proper divisors (2292935307610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021221011110 is a wasteful number, since it uses less digits than its factorization.

2021221011110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346042 (or 346035 counting only the distinct ones).

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

Adding to 2021221011110 its reverse (111101221202), we get a palindrome (2132322232312).

The spelling of 2021221011110 in words is "two trillion, twenty-one billion, two hundred twenty-one million, eleven thousand, one hundred ten".