2011102212021 has 16 divisors (see below), whose sum is σ = 3064556673024. Its totient is φ = 1149193775664.

The previous prime is 2011102212019. The next prime is 2011102212037. The reversal of 2011102212021 is 1202122011102.

It is not a de Polignac number, because 2011102212021 - 2¹ = 2011102212019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011102212001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5539920 + ... + 5891766.

It is an arithmetic number, because the mean of its divisors is an integer number (191534792064).

Almost surely, 2^{2011102212021} is an apocalyptic number.

2011102212021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2011102212021 is a deficient number, since it is larger than the sum of its proper divisors (1053454461003).

2011102212021 is a wasteful number, since it uses less digits than its factorization.

2011102212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624040.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2011102212021 its reverse (1202122011102), we get a palindrome (3213224223123).

The spelling of 2011102212021 in words is "two trillion, eleven billion, one hundred two million, two hundred twelve thousand, twenty-one".