2001020111102 has 16 divisors (see below), whose sum is σ = 3099198081024. Its totient is φ = 967971675000.

The previous prime is 2001020111093. The next prime is 2001020111113. The reversal of 2001020111102 is 2011110201002.

It is a super-3 number, since 3×2001020111102³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4168274 + ... + 4623477.

It is an arithmetic number, because the mean of its divisors is an integer number (193699880064).

Almost surely, 2^{2001020111102} is an apocalyptic number.

2001020111102 is a deficient number, since it is larger than the sum of its proper divisors (1098177969922).

2001020111102 is a wasteful number, since it uses less digits than its factorization.

2001020111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8795455.

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

Adding to 2001020111102 its reverse (2011110201002), we get a palindrome (4012130312104).

The spelling of 2001020111102 in words is "two trillion, one billion, twenty million, one hundred eleven thousand, one hundred two".