2212122221110 has 32 divisors (see below), whose sum is σ = 4144394924640. Its totient is φ = 849095509248.

The previous prime is 2212122221047. The next prime is 2212122221119. The reversal of 2212122221110 is 111222212122.

It is a super-2 number, since 2×2212122221110² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212122221119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23351527 + ... + 23446066.

It is an arithmetic number, because the mean of its divisors is an integer number (129512341395).

Almost surely, 2^{2212122221110} is an apocalyptic number.

2212122221110 is a deficient number, since it is larger than the sum of its proper divisors (1932272703530).

2212122221110 is a wasteful number, since it uses less digits than its factorization.

2212122221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46797792.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2212122221110 its reverse (111222212122), we get a palindrome (2323344433232).

The spelling of 2212122221110 in words is "two trillion, two hundred twelve billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred ten".