20010211101000 has 96 divisors (see below), whose sum is σ = 67634513551800. Its totient is φ = 5336056291200.

The previous prime is 20010211100983. The next prime is 20010211101011. The reversal of 20010211101000 is 10111201002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3668841438084 + 16341369662916 = 1915422^2 + 4042446^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1111669395 + ... + 1111687394.

Almost surely, 2^{20010211101000} is an apocalyptic number.

20010211101000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010211101000 is an abundant number, since it is smaller than the sum of its proper divisors (47624302450800).

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

20010211101000 is a wasteful number, since it uses less digits than its factorization.

20010211101000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223356816 (or 2223356799 counting only the distinct ones).

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

Adding to 20010211101000 its reverse (10111201002), we get a palindrome (20020322302002).

The spelling of 20010211101000 in words is "twenty trillion, ten billion, two hundred eleven million, one hundred one thousand".