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101201120102020 = 2255060056005101
BaseRepresentation
bin10111000000101010111000…
…110100001000011010000100
3111021022201210001200201101011
4113000222320310020122010
5101231034343221231040
6555123052555012004
730213353045433661
oct2700527064103204
9437281701621334
10101201120102020
112a278176a98514
12b42555643a004
1344612bc7cc2c3
141adc235dcca68
15ba77179b23ea
hex5c0ab8d08684

101201120102020 has 12 divisors (see below), whose sum is σ = 212522352214284. Its totient is φ = 40480448040800.

The previous prime is 101201120101987. The next prime is 101201120102021. The reversal of 101201120102020 is 20201021102101.

It can be written as a sum of positive squares in 2 ways, for example, as 76989288117316 + 24211831984704 = 8774354^2 + 4920552^2 .

It is not an unprimeable number, because it can be changed into a prime (101201120102021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2530028002531 + ... + 2530028002570.

It is an arithmetic number, because the mean of its divisors is an integer number (17710196017857).

Almost surely, 2101201120102020 is an apocalyptic number.

101201120102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101201120102020 is an abundant number, since it is smaller than the sum of its proper divisors (111321232112264).

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

101201120102020 is a wasteful number, since it uses less digits than its factorization.

101201120102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060056005110 (or 5060056005108 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101201120102020 its reverse (20201021102101), we get a palindrome (121402141204121).

The spelling of 101201120102020 in words is "one hundred one trillion, two hundred one billion, one hundred twenty million, one hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 5060056005101 10120112010202 20240224020404 25300280025505 50600560051010 101201120102020