10101201021100 has 36 divisors (see below), whose sum is σ = 25050978534064. Its totient is φ = 3463268921280.

The previous prime is 10101201021091. The next prime is 10101201021101. The reversal of 10101201021100 is 112010210101.

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

It is not an unprimeable number, because it can be changed into a prime (10101201021101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7215142887 + ... + 7215144286.

Almost surely, 2^{10101201021100} is an apocalyptic number.

10101201021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10101201021100 is an abundant number, since it is smaller than the sum of its proper divisors (14949777512964).

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

10101201021100 is a wasteful number, since it uses less digits than its factorization.

10101201021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14430287194 (or 14430287187 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10101201021100 its reverse (112010210101), we get a palindrome (10213211231201).

The spelling of 10101201021100 in words is "ten trillion, one hundred one billion, two hundred one million, twenty-one thousand, one hundred".