2001101201022 has 32 divisors (see below), whose sum is σ = 4989758840064. Its totient is φ = 519766545600.

The previous prime is 2001101201009. The next prime is 2001101201023. The reversal of 2001101201022 is 2201021011002.

It is a junction number, because it is equal to n+sod(n) for n = 2001101200989 and 2001101201007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001101201023) 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, 2165693479 + ... + 2165694402.

It is an arithmetic number, because the mean of its divisors is an integer number (155929963752).

Almost surely, 2^{2001101201022} is an apocalyptic number.

2001101201022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2001101201022 is an abundant number, since it is smaller than the sum of its proper divisors (2988657639042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001101201022 is a wasteful number, since it uses less digits than its factorization.

2001101201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4331387904.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2001101201022 its reverse (2201021011002), we get a palindrome (4202122212024).

The spelling of 2001101201022 in words is "two trillion, one billion, one hundred one million, two hundred one thousand, twenty-two".