101121100212020 has 48 divisors (see below), whose sum is σ = 242921995142400. Its totient is φ = 34637040839424.

The previous prime is 101121100211953. The next prime is 101121100212049. The reversal of 101121100212020 is 20212001121101.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 101121100211986 and 101121100212004.

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, 344130344 + ... + 344424063.

It is an arithmetic number, because the mean of its divisors is an integer number (5060874898800).

Almost surely, 2^{101121100212020} is an apocalyptic number.

101121100212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101121100212020 is an abundant number, since it is smaller than the sum of its proper divisors (141800894930380).

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

101121100212020 is a wasteful number, since it uses less digits than its factorization.

101121100212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688555472 (or 688555470 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101121100212020 its reverse (20212001121101), we get a palindrome (121333101333121).

The spelling of 101121100212020 in words is "one hundred one trillion, one hundred twenty-one billion, one hundred million, two hundred twelve thousand, twenty".