2001010101022 has 16 divisors (see below), whose sum is σ = 3037798536192. Its totient is φ = 988411545880.

The previous prime is 2001010101017. The next prime is 2001010101029. The reversal of 2001010101022 is 2201010101002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001010101029) 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, 4204197 + ... + 4655887.

It is an arithmetic number, because the mean of its divisors is an integer number (189862408512).

Almost surely, 2^{2001010101022} is an apocalyptic number.

2001010101022 is a deficient number, since it is larger than the sum of its proper divisors (1036788435170).

2001010101022 is a wasteful number, since it uses less digits than its factorization.

2001010101022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478463.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2001010101022 its reverse (2201010101002), we get a palindrome (4202020202024).

The spelling of 2001010101022 in words is "two trillion, one billion, ten million, one hundred one thousand, twenty-two".