2120202102 has 16 divisors (see below), whose sum is σ = 4244497920. Its totient is φ = 706051752.

The previous prime is 2120202053. The next prime is 2120202143. The reversal of 2120202102 is 2012020212.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 163818 + ... + 176285.

It is an arithmetic number, because the mean of its divisors is an integer number (265281120).

Almost surely, 2^2120202102 is an apocalyptic number.

2120202102 is an abundant number, since it is smaller than the sum of its proper divisors (2124295818).

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

2120202102 is a wasteful number, since it uses less digits than its factorization.

2120202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341147.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2120202102 is about 46045.6523680575. The cubic root of 2120202102 is about 1284.6724782121.

Adding to 2120202102 its reverse (2012020212), we get a palindrome (4132222314).

It can be divided in two parts, 212020210 and 2, that added together give a palindrome (212020212).

The spelling of 2120202102 in words is "two billion, one hundred twenty million, two hundred two thousand, one hundred two".