2002212111021 has 16 divisors (see below), whose sum is σ = 2713432906560. Its totient is φ = 1312900542720.

The previous prime is 2002212111019. The next prime is 2002212111037. The reversal of 2002212111021 is 1201112122002.

It is not a de Polignac number, because 2002212111021 - 2¹ = 2002212111019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002212111001) 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, 16226085 + ... + 16349013.

It is an arithmetic number, because the mean of its divisors is an integer number (169589556660).

Almost surely, 2^{2002212111021} is an apocalyptic number.

It is an amenable number.

2002212111021 is a deficient number, since it is larger than the sum of its proper divisors (711220795539).

2002212111021 is a wasteful number, since it uses less digits than its factorization.

2002212111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211996.

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

Adding to 2002212111021 its reverse (1201112122002), we get a palindrome (3203324233023).

The spelling of 2002212111021 in words is "two trillion, two billion, two hundred twelve million, one hundred eleven thousand, twenty-one".