2002001121211 has 12 divisors (see below), whose sum is σ = 2508001405392. Its totient is φ = 1584000886608.

The previous prime is 2002001121193. The next prime is 2002001121259. The reversal of 2002001121211 is 1121211002002.

It is not a de Polignac number, because 2002001121211 - 2⁹ = 2002001120699 is a prime.

It is a super-2 number, since 2×2002001121211² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 2002001121191 and 2002001121200.

It is not an unprimeable number, because it can be changed into a prime (2002001121011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1571428815 + ... + 1571430088.

It is an arithmetic number, because the mean of its divisors is an integer number (209000117116).

Almost surely, 2^{2002001121211} is an apocalyptic number.

2002001121211 is a deficient number, since it is larger than the sum of its proper divisors (506000284181).

2002001121211 is a wasteful number, since it uses less digits than its factorization.

2002001121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3142858930 (or 3142858923 counting only the distinct ones).

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

Adding to 2002001121211 its reverse (1121211002002), we get a palindrome (3123212123213).

It can be divided in two parts, 2002001 and 121211, that added together give a palindrome (2123212).

The spelling of 2002001121211 in words is "two trillion, two billion, one million, one hundred twenty-one thousand, two hundred eleven".