1012222210111 has 8 divisors (see below), whose sum is σ = 1157173536384. Its totient is φ = 867357922200.

The previous prime is 1012222210063. The next prime is 1012222210117. The reversal of 1012222210111 is 1110122222101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1012222210111 - 2⁹ = 1012222209599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012222210117) 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, 21734665 + ... + 21781186.

It is an arithmetic number, because the mean of its divisors is an integer number (144646692048).

Almost surely, 2^{1012222210111} is an apocalyptic number.

1012222210111 is a deficient number, since it is larger than the sum of its proper divisors (144951326273).

1012222210111 is an equidigital number, since it uses as much as digits as its factorization.

1012222210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43519181.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1012222210111 its reverse (1110122222101), we get a palindrome (2122344432212).

It can be divided in two parts, 10122222101 and 11, that multiplied together give a palindrome (111344443111).

The spelling of 1012222210111 in words is "one trillion, twelve billion, two hundred twenty-two million, two hundred ten thousand, one hundred eleven".