211122002222222 has 16 divisors (see below), whose sum is σ = 389763696410592. Its totient is φ = 83520792087840.

The previous prime is 211122002222119. The next prime is 211122002222233. The reversal of 211122002222222 is 222222200221112.

It is a super-2 number, since 2×211122002222222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580005500429 + ... + 580005500792.

It is an arithmetic number, because the mean of its divisors is an integer number (24360231025662).

Almost surely, 2^{211122002222222} is an apocalyptic number.

211122002222222 is a deficient number, since it is larger than the sum of its proper divisors (178641694188370).

211122002222222 is a wasteful number, since it uses less digits than its factorization.

211122002222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160011001243.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 211122002222222 its reverse (222222200221112), we get a palindrome (433344202443334).

The spelling of 211122002222222 in words is "two hundred eleven trillion, one hundred twenty-two billion, two million, two hundred twenty-two thousand, two hundred twenty-two".