101201011201220 has 48 divisors (see below), whose sum is σ = 242941769188608. Its totient is φ = 34689012082560.

The previous prime is 101201011201193. The next prime is 101201011201231. The reversal of 101201011201220 is 22102110102101.

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 = 101201011201195 and 101201011201204.

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, 87731936 + ... + 88877975.

It is an arithmetic number, because the mean of its divisors is an integer number (5061286858096).

Almost surely, 2^{101201011201220} is an apocalyptic number.

101201011201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101201011201220 is an abundant number, since it is smaller than the sum of its proper divisors (141740757987388).

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

101201011201220 is a wasteful number, since it uses less digits than its factorization.

101201011201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176614020 (or 176614018 counting only the distinct ones).

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

Adding to 101201011201220 its reverse (22102110102101), we get a palindrome (123303121303321).

The spelling of 101201011201220 in words is "one hundred one trillion, two hundred one billion, eleven million, two hundred one thousand, two hundred twenty".