100220101002020 has 48 divisors (see below), whose sum is σ = 221744905724160. Its totient is φ = 37972799753856.

The previous prime is 100220101002011. The next prime is 100220101002071. The reversal of 100220101002020 is 20200101022001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100220101001992 and 100220101002010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1057572935 + ... + 1057667694.

It is an arithmetic number, because the mean of its divisors is an integer number (4619685535920).

Almost surely, 2^{100220101002020} is an apocalyptic number.

100220101002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100220101002020 is an abundant number, since it is smaller than the sum of its proper divisors (121524804722140).

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

100220101002020 is a wasteful number, since it uses less digits than its factorization.

100220101002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115240764 (or 2115240762 counting only the distinct ones).

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

Adding to 100220101002020 its reverse (20200101022001), we get a palindrome (120420202024021).

The spelling of 100220101002020 in words is "one hundred trillion, two hundred twenty billion, one hundred one million, two thousand, twenty".