2001122011022 has 8 divisors (see below), whose sum is σ = 3004657928400. Its totient is φ = 999569368224.

The previous prime is 2001122011003. The next prime is 2001122011027. The reversal of 2001122011022 is 2201102211002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2001122010988 and 2001122011006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001122011027) 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, 495816122 + ... + 495820157.

It is an arithmetic number, because the mean of its divisors is an integer number (375582241050).

Almost surely, 2^{2001122011022} is an apocalyptic number.

2001122011022 is a deficient number, since it is larger than the sum of its proper divisors (1003535917378).

2001122011022 is a wasteful number, since it uses less digits than its factorization.

2001122011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991637290.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2001122011022 its reverse (2201102211002), we get a palindrome (4202224222024).

The spelling of 2001122011022 in words is "two trillion, one billion, one hundred twenty-two million, eleven thousand, twenty-two".