2002121201011 has 4 divisors (see below), whose sum is σ = 2006681842000. Its totient is φ = 1997560560024.

The previous prime is 2002121200991. The next prime is 2002121201027. The reversal of 2002121201011 is 1101021212002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2002121201011 - 2³⁵ = 1967761462643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002121200982 and 2002121201000.

It is not an unprimeable number, because it can be changed into a prime (2002121201411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2280319836 + ... + 2280320713.

It is an arithmetic number, because the mean of its divisors is an integer number (501670460500).

Almost surely, 2^{2002121201011} is an apocalyptic number.

2002121201011 is a deficient number, since it is larger than the sum of its proper divisors (4560640989).

2002121201011 is an equidigital number, since it uses as much as digits as its factorization.

2002121201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4560640988.

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

Adding to 2002121201011 its reverse (1101021212002), we get a palindrome (3103142413013).

The spelling of 2002121201011 in words is "two trillion, two billion, one hundred twenty-one million, two hundred one thousand, eleven".