2142121102 has 8 divisors (see below), whose sum is σ = 3505289112. Its totient is φ = 973691400.

The previous prime is 2142121099. The next prime is 2142121109. The reversal of 2142121102 is 2011212412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142121109) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 48684549 + ... + 48684592.

It is an arithmetic number, because the mean of its divisors is an integer number (438161139).

Almost surely, 2^2142121102 is an apocalyptic number.

2142121102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2142121102 is a deficient number, since it is larger than the sum of its proper divisors (1363168010).

2142121102 is a wasteful number, since it uses less digits than its factorization.

2142121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97369154.

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

The square root of 2142121102 is about 46283.0541559219. The cubic root of 2142121102 is about 1289.0843615536.

Adding to 2142121102 its reverse (2011212412), we get a palindrome (4153333514).

The spelling of 2142121102 in words is "two billion, one hundred forty-two million, one hundred twenty-one thousand, one hundred two".