101203100220 has 48 divisors (see below), whose sum is σ = 284014241280. Its totient is φ = 26926011456.

The previous prime is 101203100209. The next prime is 101203100267. The reversal of 101203100220 is 22001302101.

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

It is a junction number, because it is equal to n+sod(n) for n = 101203100196 and 101203100205.

It is a congruent number.

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, 1894752 + ... + 1947431.

It is an arithmetic number, because the mean of its divisors is an integer number (5916963360).

Almost surely, 2^101203100220 is an apocalyptic number.

101203100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101203100220 is an abundant number, since it is smaller than the sum of its proper divisors (182811141060).

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

101203100220 is a wasteful number, since it uses less digits than its factorization.

101203100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3842634 (or 3842632 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 101203100220 its reverse (22001302101), we get a palindrome (123204402321).

The spelling of 101203100220 in words is "one hundred one billion, two hundred three million, one hundred thousand, two hundred twenty".