1012110121222 has 4 divisors (see below), whose sum is σ = 1518165181836. Its totient is φ = 506055060610.

The previous prime is 1012110121213. The next prime is 1012110121223. The reversal of 1012110121222 is 2221210112101.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1012110121196 and 1012110121205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012110121223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253027530304 + ... + 253027530307.

It is an arithmetic number, because the mean of its divisors is an integer number (379541295459).

Almost surely, 2^{1012110121222} is an apocalyptic number.

1012110121222 is a deficient number, since it is larger than the sum of its proper divisors (506055060614).

1012110121222 is an equidigital number, since it uses as much as digits as its factorization.

1012110121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506055060613.

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

Adding to 1012110121222 its reverse (2221210112101), we get a palindrome (3233320233323).

The spelling of 1012110121222 in words is "one trillion, twelve billion, one hundred ten million, one hundred twenty-one thousand, two hundred twenty-two".