2120211287106 has 64 divisors (see below), whose sum is σ = 4686381950976. Its totient is φ = 634134484800.

The previous prime is 2120211287099. The next prime is 2120211287111. The reversal of 2120211287106 is 6017821120212.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1359876 + ... + 2467728.

It is an arithmetic number, because the mean of its divisors is an integer number (73224717984).

Almost surely, 2^{2120211287106} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120211287106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2343190975488).

2120211287106 is an abundant number, since it is smaller than the sum of its proper divisors (2566170663870).

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

2120211287106 is a wasteful number, since it uses less digits than its factorization.

2120211287106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108247.

The product of its (nonzero) digits is 5376, while the sum is 33.

The spelling of 2120211287106 in words is "two trillion, one hundred twenty billion, two hundred eleven million, two hundred eighty-seven thousand, one hundred six".