2001010111022 has 16 divisors (see below), whose sum is σ = 3234279231792. Its totient is φ = 923006475840.

The previous prime is 2001010111021. The next prime is 2001010111033. The reversal of 2001010111022 is 2201110101002.

It is a junction number, because it is equal to n+sod(n) for n = 2001010110994 and 2001010111012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001010111021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22314908 + ... + 22404399.

It is an arithmetic number, because the mean of its divisors is an integer number (202142451987).

Almost surely, 2^{2001010111022} is an apocalyptic number.

2001010111022 is a deficient number, since it is larger than the sum of its proper divisors (1233269120770).

2001010111022 is a wasteful number, since it uses less digits than its factorization.

2001010111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44721043.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2001010111022 its reverse (2201110101002), we get a palindrome (4202120212024).

The spelling of 2001010111022 in words is "two trillion, one billion, ten million, one hundred eleven thousand, twenty-two".