100020100012220 has 24 divisors (see below), whose sum is σ = 210042403444608. Its totient is φ = 40008003163200.

The previous prime is 100020100012211. The next prime is 100020100012333. The reversal of 100020100012220 is 22210001020001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33654005 + ... + 36505235.

It is an arithmetic number, because the mean of its divisors is an integer number (8751766810192).

Almost surely, 2^{100020100012220} is an apocalyptic number.

100020100012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100020100012220 is an abundant number, since it is smaller than the sum of its proper divisors (110022303432388).

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

100020100012220 is a wasteful number, since it uses less digits than its factorization.

100020100012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4605221 (or 4605219 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100020100012220 its reverse (22210001020001), we get a palindrome (122230101032221).

The spelling of 100020100012220 in words is "one hundred trillion, twenty billion, one hundred million, twelve thousand, two hundred twenty".