2002110121222 has 4 divisors (see below), whose sum is σ = 3003165181836. Its totient is φ = 1001055060610.

The previous prime is 2002110121211. The next prime is 2002110121237. The reversal of 2002110121222 is 2221210112002.

It is a happy number.

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 = 2002110121196 and 2002110121205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500527530304 + ... + 500527530307.

It is an arithmetic number, because the mean of its divisors is an integer number (750791295459).

Almost surely, 2^{2002110121222} is an apocalyptic number.

2002110121222 is a deficient number, since it is larger than the sum of its proper divisors (1001055060614).

2002110121222 is a wasteful number, since it uses less digits than its factorization.

2002110121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001055060613.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2002110121222 its reverse (2221210112002), we get a palindrome (4223320233224).

The spelling of 2002110121222 in words is "two trillion, two billion, one hundred ten million, one hundred twenty-one thousand, two hundred twenty-two".