2002121001111 has 32 divisors (see below), whose sum is σ = 3358735142400. Its totient is φ = 1030520983680.

The previous prime is 2002121001107. The next prime is 2002121001121. The reversal of 2002121001111 is 1111001212002.

It is not a de Polignac number, because 2002121001111 - 2² = 2002121001107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002121001121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39732576 + ... + 39782933.

It is an arithmetic number, because the mean of its divisors is an integer number (104960473200).

Almost surely, 2^{2002121001111} is an apocalyptic number.

2002121001111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2002121001111 is a deficient number, since it is larger than the sum of its proper divisors (1356614141289).

2002121001111 is a wasteful number, since it uses less digits than its factorization.

2002121001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79515639.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2002121001111 its reverse (1111001212002), we get a palindrome (3113122213113).

The spelling of 2002121001111 in words is "two trillion, two billion, one hundred twenty-one million, one thousand, one hundred eleven".