2002110011221 has 16 divisors (see below), whose sum is σ = 2098486080000. Its totient is φ = 1907582616576.

The previous prime is 2002110011219. The next prime is 2002110011243. The reversal of 2002110011221 is 1221100112002.

It is a cyclic number.

It is not a de Polignac number, because 2002110011221 - 2¹ = 2002110011219 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 (2002110011821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4072245 + ... + 4537333.

It is an arithmetic number, because the mean of its divisors is an integer number (131155380000).

Almost surely, 2^{2002110011221} is an apocalyptic number.

It is an amenable number.

2002110011221 is a deficient number, since it is larger than the sum of its proper divisors (96376068779).

2002110011221 is a wasteful number, since it uses less digits than its factorization.

2002110011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467076.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2002110011221 its reverse (1221100112002), we get a palindrome (3223210123223).

The spelling of 2002110011221 in words is "two trillion, two billion, one hundred ten million, eleven thousand, two hundred twenty-one".