211111002221002 has 32 divisors (see below), whose sum is σ = 346221627111360. Its totient is φ = 95955280283520.

The previous prime is 211111002220933. The next prime is 211111002221029. The reversal of 211111002221002 is 200122200111112.

It is a super-2 number, since 2×211111002221002² (a number of 29 digits) contains 22 as substring.

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, 83140824 + ... + 85642387.

It is an arithmetic number, because the mean of its divisors is an integer number (10819425847230).

Almost surely, 2^{211111002221002} is an apocalyptic number.

211111002221002 is a deficient number, since it is larger than the sum of its proper divisors (135110624890358).

211111002221002 is a wasteful number, since it uses less digits than its factorization.

211111002221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168783958.

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

Adding to 211111002221002 its reverse (200122200111112), we get a palindrome (411233202332114).

The spelling of 211111002221002 in words is "two hundred eleven trillion, one hundred eleven billion, two million, two hundred twenty-one thousand, two".