2010100111221 has 48 divisors (see below), whose sum is σ = 2987698089600. Its totient is φ = 1197219502080.

The previous prime is 2010100111189. The next prime is 2010100111247. The reversal of 2010100111221 is 1221110010102.

It is not a de Polignac number, because 2010100111221 - 2⁵ = 2010100111189 is a prime.

It is a super-2 number, since 2×2010100111221² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2010100111197 and 2010100111206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010100111291) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2511480 + ... + 3213678.

It is an arithmetic number, because the mean of its divisors is an integer number (62243710200).

Almost surely, 2^{2010100111221} is an apocalyptic number.

It is an amenable number.

2010100111221 is a deficient number, since it is larger than the sum of its proper divisors (977597978379).

2010100111221 is a wasteful number, since it uses less digits than its factorization.

2010100111221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702334 (or 702297 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2010100111221 its reverse (1221110010102), we get a palindrome (3231210121323).

The spelling of 2010100111221 in words is "two trillion, ten billion, one hundred million, one hundred eleven thousand, two hundred twenty-one".