101020201201220 has 24 divisors (see below), whose sum is σ = 242448482883264. Its totient is φ = 34635497554656.

The previous prime is 101020201201189. The next prime is 101020201201279. The reversal of 101020201201220 is 22102102020101.

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 = 101020201201195 and 101020201201204.

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, 360786432722 + ... + 360786433001.

It is an arithmetic number, because the mean of its divisors is an integer number (10102020120136).

Almost surely, 2^{101020201201220} is an apocalyptic number.

101020201201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101020201201220 is an abundant number, since it is smaller than the sum of its proper divisors (141428281682044).

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

101020201201220 is a wasteful number, since it uses less digits than its factorization.

101020201201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721572865739 (or 721572865737 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 101020201201220 its reverse (22102102020101), we get a palindrome (123122303221321).

The spelling of 101020201201220 in words is "one hundred one trillion, twenty billion, two hundred one million, two hundred one thousand, two hundred twenty".