10021211111100 has 72 divisors (see below), whose sum is σ = 33136804747648. Its totient is φ = 2290562539200.

The previous prime is 10021211111089. The next prime is 10021211111111. The reversal of 10021211111100 is 111111212001.

It is an interprime number because it is at equal distance from previous prime (10021211111089) and next prime (10021211111111).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 2386000546 + ... + 2386004745.

Almost surely, 2^{10021211111100} is an apocalyptic number.

10021211111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021211111100 is an abundant number, since it is smaller than the sum of its proper divisors (23115593636548).

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

10021211111100 is a wasteful number, since it uses less digits than its factorization.

10021211111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4772005315 (or 4772005308 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 10021211111100 its reverse (111111212001), we get a palindrome (10132322323101).

The spelling of 10021211111100 in words is "ten trillion, twenty-one billion, two hundred eleven million, one hundred eleven thousand, one hundred".