100211100002020 has 48 divisors (see below), whose sum is σ = 240667085232000. Its totient is φ = 34335170682624.

The previous prime is 100211100001927. The next prime is 100211100002029. The reversal of 100211100002020 is 20200001112001.

It is a super-2 number, since 2×100211100002020² (a number of 29 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 100211100001988 and 100211100002006.

It is not an unprimeable number, because it can be changed into a prime (100211100002029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238547169 + ... + 238966888.

It is an arithmetic number, because the mean of its divisors is an integer number (5013897609000).

Almost surely, 2^{100211100002020} is an apocalyptic number.

100211100002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100211100002020 is an abundant number, since it is smaller than the sum of its proper divisors (140455985229980).

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

100211100002020 is a wasteful number, since it uses less digits than its factorization.

100211100002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477515572 (or 477515570 counting only the distinct ones).

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

Adding to 100211100002020 its reverse (20200001112001), we get a palindrome (120411101114021).

The spelling of 100211100002020 in words is "one hundred trillion, two hundred eleven billion, one hundred million, two thousand, twenty".