20110223211000 has 128 divisors (see below), whose sum is σ = 67570350120000. Its totient is φ = 4950208780800.

The previous prime is 20110223210983. The next prime is 20110223211011. The reversal of 20110223211000 is 11232201102.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 257784375 + ... + 257862374.

Almost surely, 2^{20110223211000} is an apocalyptic number.

20110223211000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110223211000 is an abundant number, since it is smaller than the sum of its proper divisors (47460126909000).

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

20110223211000 is a wasteful number, since it uses less digits than its factorization.

20110223211000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515646786 (or 515646772 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20110223211000 its reverse (11232201102), we get a palindrome (20121455412102).

The spelling of 20110223211000 in words is "twenty trillion, one hundred ten billion, two hundred twenty-three million, two hundred eleven thousand".