2121101022212 has 48 divisors (see below), whose sum is σ = 3836041977600. Its totient is φ = 1025703993600.

The previous prime is 2121101022203. The next prime is 2121101022247. The reversal of 2121101022212 is 2122201011212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10264712 + ... + 10469312.

It is an arithmetic number, because the mean of its divisors is an integer number (79917541200).

Almost surely, 2^{2121101022212} is an apocalyptic number.

It is an amenable number.

2121101022212 is a deficient number, since it is larger than the sum of its proper divisors (1714940955388).

2121101022212 is a wasteful number, since it uses less digits than its factorization.

2121101022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205356 (or 205354 counting only the distinct ones).

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

Adding to 2121101022212 its reverse (2122201011212), we get a palindrome (4243302033424).

The spelling of 2121101022212 in words is "two trillion, one hundred twenty-one billion, one hundred one million, twenty-two thousand, two hundred twelve".