2103220121002 has 64 divisors (see below), whose sum is σ = 4245006495744. Its totient is φ = 754768808640.

The previous prime is 2103220120927. The next prime is 2103220121021. The reversal of 2103220121002 is 2001210223012.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207588 + ... + 2061439.

It is an arithmetic number, because the mean of its divisors is an integer number (66328226496).

Almost surely, 2^{2103220121002} is an apocalyptic number.

2103220121002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2103220121002 is an abundant number, since it is smaller than the sum of its proper divisors (2141786374742).

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

2103220121002 is a wasteful number, since it uses less digits than its factorization.

2103220121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269523.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2103220121002 its reverse (2001210223012), we get a palindrome (4104430344014).

It can be divided in two parts, 2103220 and 121002, that added together give a palindrome (2224222).

The spelling of 2103220121002 in words is "two trillion, one hundred three billion, two hundred twenty million, one hundred twenty-one thousand, two".