211020011212210 has 16 divisors (see below), whose sum is σ = 399827389665600. Its totient is φ = 79965477932976.

The previous prime is 211020011212177. The next prime is 211020011212261. The reversal of 211020011212210 is 12212110020112.

It is a super-2 number, since 2×211020011212210² (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 (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555315818790 + ... + 555315819169.

It is an arithmetic number, because the mean of its divisors is an integer number (24989211854100).

Almost surely, 2^{211020011212210} is an apocalyptic number.

211020011212210 is a deficient number, since it is larger than the sum of its proper divisors (188807378453390).

211020011212210 is a wasteful number, since it uses less digits than its factorization.

211020011212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110631637985.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211020011212210 its reverse (12212110020112), we get a palindrome (223232121232322).

The spelling of 211020011212210 in words is "two hundred eleven trillion, twenty billion, eleven million, two hundred twelve thousand, two hundred ten".