2002211221101 has 96 divisors (see below), whose sum is σ = 3642080913408. Its totient is φ = 950769515520.

The previous prime is 2002211221099. The next prime is 2002211221103. The reversal of 2002211221101 is 1011221122002.

It is an interprime number because it is at equal distance from previous prime (2002211221099) and next prime (2002211221103).

It is not a de Polignac number, because 2002211221101 - 2¹ = 2002211221099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002211221103) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1262946 + ... + 2366316.

It is an arithmetic number, because the mean of its divisors is an integer number (37938342848).

Almost surely, 2^{2002211221101} is an apocalyptic number.

2002211221101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2002211221101 is a deficient number, since it is larger than the sum of its proper divisors (1639869692307).

2002211221101 is a wasteful number, since it uses less digits than its factorization.

2002211221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103451 (or 1103434 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2002211221101 its reverse (1011221122002), we get a palindrome (3013432343103).

Subtracting from 2002211221101 its reverse (1011221122002), we obtain a palindrome (990990099099).

The spelling of 2002211221101 in words is "two trillion, two billion, two hundred eleven million, two hundred twenty-one thousand, one hundred one".