20011103211030 has 32 divisors (see below), whose sum is σ = 48027081600000. Its totient is φ = 5336245979232.

The previous prime is 20011103210929. The next prime is 20011103211061. The reversal of 20011103211030 is 3011230111002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427221 + ... + 6340719.

It is an arithmetic number, because the mean of its divisors is an integer number (1500846300000).

Almost surely, 2^{20011103211030} is an apocalyptic number.

20011103211030 is an abundant number, since it is smaller than the sum of its proper divisors (28015978388970).

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

20011103211030 is a wasteful number, since it uses less digits than its factorization.

20011103211030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6026308.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 20011103211030 its reverse (3011230111002), we get a palindrome (23022333322032).

The spelling of 20011103211030 in words is "twenty trillion, eleven billion, one hundred three million, two hundred eleven thousand, thirty".