2011002020001 has 48 divisors (see below), whose sum is σ = 3297327342400. Its totient is φ = 1170818603136.

The previous prime is 2011002019979. The next prime is 2011002020017. The reversal of 2011002020001 is 1000202001102.

It is not a de Polignac number, because 2011002020001 - 2¹⁵ = 2011001987233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (2011002020501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1030731 + ... + 2254863.

Almost surely, 2^{2011002020001} is an apocalyptic number.

It is an amenable number.

2011002020001 is a deficient number, since it is larger than the sum of its proper divisors (1286325322399).

2011002020001 is a wasteful number, since it uses less digits than its factorization.

2011002020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224910 (or 1224907 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 2011002020001 its reverse (1000202001102), we get a palindrome (3011204021103).

The spelling of 2011002020001 in words is "two trillion, eleven billion, two million, twenty thousand, one".