2120212121102 has 8 divisors (see below), whose sum is σ = 3186196775112. Its totient is φ = 1058146529400.

The previous prime is 2120212121081. The next prime is 2120212121191. The reversal of 2120212121102 is 2011212120212.

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

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 3 ways as a sum of consecutive naturals, for example, 979764224 + ... + 979766387.

It is an arithmetic number, because the mean of its divisors is an integer number (398274596889).

Almost surely, 2^{2120212121102} is an apocalyptic number.

2120212121102 is a deficient number, since it is larger than the sum of its proper divisors (1065984654010).

2120212121102 is a wasteful number, since it uses less digits than its factorization.

2120212121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959531154.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2120212121102 its reverse (2011212120212), we get a palindrome (4131424241314).

The spelling of 2120212121102 in words is "two trillion, one hundred twenty billion, two hundred twelve million, one hundred twenty-one thousand, one hundred two".