2101211011122 has 32 divisors (see below), whose sum is σ = 4217424067584. Its totient is φ = 697904922000.

The previous prime is 2101211011099. The next prime is 2101211011157. The reversal of 2101211011122 is 2211101121012.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 5122483 + ... + 5517449.

It is an arithmetic number, because the mean of its divisors is an integer number (131794502112).

Almost surely, 2^{2101211011122} is an apocalyptic number.

2101211011122 is an abundant number, since it is smaller than the sum of its proper divisors (2116213056462).

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

2101211011122 is a wasteful number, since it uses less digits than its factorization.

2101211011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398134.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2101211011122 its reverse (2211101121012), we get a palindrome (4312312132134).

The spelling of 2101211011122 in words is "two trillion, one hundred one billion, two hundred eleven million, eleven thousand, one hundred twenty-two".