122011221110 has 16 divisors (see below), whose sum is σ = 219815783856. Its totient is φ = 48761024928.

The previous prime is 122011221089. The next prime is 122011221119. The reversal of 122011221110 is 11122110221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122011221119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5421149 + ... + 5443608.

It is an arithmetic number, because the mean of its divisors is an integer number (13738486491).

Almost surely, 2^122011221110 is an apocalyptic number.

122011221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122011221110 is a deficient number, since it is larger than the sum of its proper divisors (97804562746).

122011221110 is a wasteful number, since it uses less digits than its factorization.

122011221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10865887.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122011221110 its reverse (11122110221), we get a palindrome (133133331331).

The spelling of 122011221110 in words is "one hundred twenty-two billion, eleven million, two hundred twenty-one thousand, one hundred ten".