101201212101220 has 96 divisors (see below), whose sum is σ = 266741450438400. Its totient is φ = 31331535306240.

The previous prime is 101201212101191. The next prime is 101201212101233. The reversal of 101201212101220 is 22101212102101.

It is a super-2 number, since 2×101201212101220² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101201212101194 and 101201212101203.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220290919 + ... + 220749838.

It is an arithmetic number, because the mean of its divisors is an integer number (2778556775400).

Almost surely, 2^{101201212101220} is an apocalyptic number.

101201212101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101201212101220 is an abundant number, since it is smaller than the sum of its proper divisors (165540238337180).

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

101201212101220 is a wasteful number, since it uses less digits than its factorization.

101201212101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441040933 (or 441040931 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101201212101220 its reverse (22101212102101), we get a palindrome (123302424203321).

The spelling of 101201212101220 in words is "one hundred one trillion, two hundred one billion, two hundred twelve million, one hundred one thousand, two hundred twenty".