2112421102 has 32 divisors (see below), whose sum is σ = 3648960000. Its totient is φ = 909590040.

The previous prime is 2112421097. The next prime is 2112421109. The reversal of 2112421102 is 2011242112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112421109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143899 + ... + 157897.

It is an arithmetic number, because the mean of its divisors is an integer number (114030000).

Almost surely, 2^2112421102 is an apocalyptic number.

2112421102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2112421102 is a deficient number, since it is larger than the sum of its proper divisors (1536538898).

2112421102 is a wasteful number, since it uses less digits than its factorization.

2112421102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14069 (or 14031 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 2112421102 is about 45961.0824720219. The cubic root of 2112421102 is about 1283.0989977408.

Adding to 2112421102 its reverse (2011242112), we get a palindrome (4123663214).

It can be divided in two parts, 211242110 and 2, that added together give a palindrome (211242112).

The spelling of 2112421102 in words is "two billion, one hundred twelve million, four hundred twenty-one thousand, one hundred two".