111210020001222 has 48 divisors (see below), whose sum is σ = 226802279016768. Its totient is φ = 36353493465120.

The previous prime is 111210020001217. The next prime is 111210020001239. The reversal of 111210020001222 is 222100020012111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34367673 + ... + 37464075.

It is an arithmetic number, because the mean of its divisors is an integer number (4725047479516).

Almost surely, 2^{111210020001222} is an apocalyptic number.

111210020001222 is an abundant number, since it is smaller than the sum of its proper divisors (115592259015546).

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

111210020001222 is a wasteful number, since it uses less digits than its factorization.

111210020001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3098645 (or 3098592 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111210020001222 its reverse (222100020012111), we get a palindrome (333310040013333).

The spelling of 111210020001222 in words is "one hundred eleven trillion, two hundred ten billion, twenty million, one thousand, two hundred twenty-two".