20212010010100 has 108 divisors (see below), whose sum is σ = 46668628322176. Its totient is φ = 7596684910080.

The previous prime is 20212010010079. The next prime is 20212010010133. The reversal of 20212010010100 is 101001021202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16966207 + ... + 18118393.

Almost surely, 2^{20212010010100} is an apocalyptic number.

20212010010100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20212010010100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23334314161088).

20212010010100 is an abundant number, since it is smaller than the sum of its proper divisors (26456618312076).

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

20212010010100 is a wasteful number, since it uses less digits than its factorization.

20212010010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152842 (or 1152818 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20212010010100 its reverse (101001021202), we get a palindrome (20313011031302).

The spelling of 20212010010100 in words is "twenty trillion, two hundred twelve billion, ten million, ten thousand, one hundred".