20110011102 has 40 divisors (see below), whose sum is σ = 45118864296. Its totient is φ = 6694777008.

The previous prime is 20110011101. The next prime is 20110011139. The reversal of 20110011102 is 20111001102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110011101) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 48628 + ... + 206360.

Almost surely, 2^20110011102 is an apocalyptic number.

20110011102 is an abundant number, since it is smaller than the sum of its proper divisors (25008853194).

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

20110011102 is a wasteful number, since it uses less digits than its factorization.

20110011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158534 (or 158525 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 20110011102 its reverse (20111001102), we get a palindrome (40221012204).

The spelling of 20110011102 in words is "twenty billion, one hundred ten million, eleven thousand, one hundred two".