111010321222122 has 16 divisors (see below), whose sum is σ = 253737877079232. Its totient is φ = 31717234634880.

The previous prime is 111010321222121. The next prime is 111010321222127. The reversal of 111010321222122 is 221222123010111.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (111010321222121) 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, 1321551443079 + ... + 1321551443162.

It is an arithmetic number, because the mean of its divisors is an integer number (15858617317452).

Almost surely, 2^{111010321222122} is an apocalyptic number.

111010321222122 is an abundant number, since it is smaller than the sum of its proper divisors (142727555857110).

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

111010321222122 is a wasteful number, since it uses less digits than its factorization.

111010321222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2643102886253.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 111010321222122 its reverse (221222123010111), we get a palindrome (332232444232233).

The spelling of 111010321222122 in words is "one hundred eleven trillion, ten billion, three hundred twenty-one million, two hundred twenty-two thousand, one hundred twenty-two".