2003220031122 has 32 divisors (see below), whose sum is σ = 4481080882560. Its totient is φ = 663317888400.

The previous prime is 2003220031117. The next prime is 2003220031147. The reversal of 2003220031122 is 2211300223002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2003220031095 and 2003220031104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122828493 + ... + 122844800.

It is an arithmetic number, because the mean of its divisors is an integer number (140033777580).

Almost surely, 2^{2003220031122} is an apocalyptic number.

2003220031122 is an abundant number, since it is smaller than the sum of its proper divisors (2477860851438).

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

2003220031122 is a wasteful number, since it uses less digits than its factorization.

2003220031122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245673455 (or 245673449 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2003220031122 its reverse (2211300223002), we get a palindrome (4214520254124).

The spelling of 2003220031122 in words is "two trillion, three billion, two hundred twenty million, thirty-one thousand, one hundred twenty-two".