2102111022 has 32 divisors (see below), whose sum is σ = 4591923840. Its totient is φ = 636239520.

The previous prime is 2102111017. The next prime is 2102111071. The reversal of 2102111022 is 2201112012.

It is a junction number, because it is equal to n+sod(n) for n = 2102110989 and 2102111007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37629 + ... + 74967.

It is an arithmetic number, because the mean of its divisors is an integer number (143497620).

Almost surely, 2^2102111022 is an apocalyptic number.

2102111022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2102111022 is an abundant number, since it is smaller than the sum of its proper divisors (2489812818).

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

2102111022 is a wasteful number, since it uses less digits than its factorization.

2102111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38208.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2102111022 is about 45848.7843023127. The cubic root of 2102111022 is about 1281.0081214090.

Adding to 2102111022 its reverse (2201112012), we get a palindrome (4303223034).

The spelling of 2102111022 in words is "two billion, one hundred two million, one hundred eleven thousand, twenty-two".