211122002121222 has 16 divisors (see below), whose sum is σ = 422244487394352. Its totient is φ = 70373920181760.

The previous prime is 211122002121113. The next prime is 211122002121263. The reversal of 211122002121222 is 222121200221112.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 14321779 + ... + 25047102.

It is an arithmetic number, because the mean of its divisors is an integer number (26390280462147).

Almost surely, 2^{211122002121222} is an apocalyptic number.

211122002121222 is an abundant number, since it is smaller than the sum of its proper divisors (211122485273130).

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

211122002121222 is a wasteful number, since it uses less digits than its factorization.

211122002121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40262663.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 211122002121222 its reverse (222121200221112), we get a palindrome (433243202342334).

The spelling of 211122002121222 in words is "two hundred eleven trillion, one hundred twenty-two billion, two million, one hundred twenty-one thousand, two hundred twenty-two".