211211001020010 has 128 divisors (see below), whose sum is σ = 533870530744320. Its totient is φ = 53373887424000.

The previous prime is 211211001019999. The next prime is 211211001020027. The reversal of 211211001020010 is 10020100112112.

It is a super-2 number, since 2×211211001020010² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52380411 + ... + 56268369.

It is an arithmetic number, because the mean of its divisors is an integer number (4170863521440).

Almost surely, 2^{211211001020010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211211001020010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266935265372160).

211211001020010 is an abundant number, since it is smaller than the sum of its proper divisors (322659529724310).

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

211211001020010 is a wasteful number, since it uses less digits than its factorization.

211211001020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3888724.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 211211001020010 its reverse (10020100112112), we get a palindrome (221231101132122).

The spelling of 211211001020010 in words is "two hundred eleven trillion, two hundred eleven billion, one million, twenty thousand, ten".