101203321220220 has 24 divisors (see below), whose sum is σ = 283369299416784. Its totient is φ = 26987552325376.

The previous prime is 101203321220219. The next prime is 101203321220233. The reversal of 101203321220220 is 22022123302101.

It is a super-2 number, since 2×101203321220220² (a number of 29 digits) contains 22 as substring.

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, 843361010109 + ... + 843361010228.

It is an arithmetic number, because the mean of its divisors is an integer number (11807054142366).

Almost surely, 2^{101203321220220} is an apocalyptic number.

101203321220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101203321220220 is an abundant number, since it is smaller than the sum of its proper divisors (182165978196564).

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

101203321220220 is a wasteful number, since it uses less digits than its factorization.

101203321220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686722020349 (or 1686722020347 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 101203321220220 its reverse (22022123302101), we get a palindrome (123225444522321).

The spelling of 101203321220220 in words is "one hundred one trillion, two hundred three billion, three hundred twenty-one million, two hundred twenty thousand, two hundred twenty".