2001101102 has 64 divisors (see below), whose sum is σ = 4112640000. Its totient is φ = 719641440.

The previous prime is 2001101101. The next prime is 2001101117. The reversal of 2001101102 is 2011011002.

It is a super-2 number, since 2×2001101102² = 8008811240851228808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2001101102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001101101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87899 + ... + 108297.

It is an arithmetic number, because the mean of its divisors is an integer number (64260000).

Almost surely, 2^2001101102 is an apocalyptic number.

2001101102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2001101102 is an abundant number, since it is smaller than the sum of its proper divisors (2111538898).

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

2001101102 is a wasteful number, since it uses less digits than its factorization.

2001101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20446 (or 20432 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 2001101102 is about 44733.6685506566. The cubic root of 2001101102 is about 1260.1522244069.

Adding to 2001101102 its reverse (2011011002), we get a palindrome (4012112104).

The spelling of 2001101102 in words is "two billion, one million, one hundred one thousand, one hundred two".