101121301220220 has 144 divisors (see below), whose sum is σ = 307127396852640. Its totient is φ = 26931168165888.

The previous prime is 101121301220209. The next prime is 101121301220257. The reversal of 101121301220220 is 22022103121101.

101121301220220 is a `hidden beast` number, since 1 + 0 + 1 + 121 + 301 + 2 + 20 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 101121301220193 and 101121301220202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 543514371 + ... + 543700389.

It is an arithmetic number, because the mean of its divisors is an integer number (2132829144810).

Almost surely, 2^{101121301220220} is an apocalyptic number.

101121301220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101121301220220 is an abundant number, since it is smaller than the sum of its proper divisors (206006095632420).

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

101121301220220 is a wasteful number, since it uses less digits than its factorization.

101121301220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189884 (or 189879 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 101121301220220 its reverse (22022103121101), we get a palindrome (123143404341321).

The spelling of 101121301220220 in words is "one hundred one trillion, one hundred twenty-one billion, three hundred one million, two hundred twenty thousand, two hundred twenty".