101201001020220 has 24 divisors (see below), whose sum is σ = 283362802856784. Its totient is φ = 26986933605376.

The previous prime is 101201001020213. The next prime is 101201001020227. The reversal of 101201001020220 is 22020100102101.

It is an interprime number because it is at equal distance from previous prime (101201001020213) and next prime (101201001020227).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 101201001020196 and 101201001020205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101201001020227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 843341675109 + ... + 843341675228.

It is an arithmetic number, because the mean of its divisors is an integer number (11806783452366).

Almost surely, 2^{101201001020220} is an apocalyptic number.

101201001020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101201001020220 is an abundant number, since it is smaller than the sum of its proper divisors (182161801836564).

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

101201001020220 is a wasteful number, since it uses less digits than its factorization.

101201001020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686683350349 (or 1686683350347 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 101201001020220 its reverse (22020100102101), we get a palindrome (123221101122321).

The spelling of 101201001020220 in words is "one hundred one trillion, two hundred one billion, one million, twenty thousand, two hundred twenty".