2011020222001 has 16 divisors (see below), whose sum is σ = 2419322828800. Its totient is φ = 1632974894928.

The previous prime is 2011020221971. The next prime is 2011020222011. The reversal of 2011020222001 is 1002220201102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2011020222001 - 2¹¹ = 2011020219953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011020222011) 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, 7734946 + ... + 7990708.

It is an arithmetic number, because the mean of its divisors is an integer number (151207676800).

Almost surely, 2^{2011020222001} is an apocalyptic number.

It is an amenable number.

2011020222001 is a deficient number, since it is larger than the sum of its proper divisors (408302606799).

2011020222001 is a wasteful number, since it uses less digits than its factorization.

2011020222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314908.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2011020222001 its reverse (1002220201102), we get a palindrome (3013240423103).

The spelling of 2011020222001 in words is "two trillion, eleven billion, twenty million, two hundred twenty-two thousand, one".