2211022220212 has 48 divisors (see below), whose sum is σ = 4184452137600. Its totient is φ = 1016187868800.

The previous prime is 2211022220189. The next prime is 2211022220233. The reversal of 2211022220212 is 2120222201122.

It is a self number, because there is not a number n which added to its sum of digits gives 2211022220212.

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 15 ways as a sum of consecutive naturals, for example, 13152087 + ... + 13319137.

It is an arithmetic number, because the mean of its divisors is an integer number (87176086200).

Almost surely, 2^{2211022220212} is an apocalyptic number.

It is an amenable number.

2211022220212 is a deficient number, since it is larger than the sum of its proper divisors (1973429917388).

2211022220212 is a wasteful number, since it uses less digits than its factorization.

2211022220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168136 (or 168134 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2211022220212 its reverse (2120222201122), we get a palindrome (4331244421334).

The spelling of 2211022220212 in words is "two trillion, two hundred eleven billion, twenty-two million, two hundred twenty thousand, two hundred twelve".