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200111210201220 = 223541271313959009
BaseRepresentation
bin101101100000000000000101…
…100110011000000010000100
3222020112110000022020121220220
4231200000011212120002010
5202212110224302414340
61545333453150024340
760102362223401433
oct5540000546300204
9866473008217826
10200111210201220
11588417622a755a
121a53aa874a80b0
138787538412586
14375b61183111a
151820542539ed0
hexb60005998084

200111210201220 has 192 divisors, whose sum is σ = 577936681620480. Its totient is φ = 51703573708800.

The previous prime is 200111210201191. The next prime is 200111210201291. The reversal of 200111210201220 is 22102012111002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 200111210201220.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 208185076 + ... + 209144084.

It is an arithmetic number, because the mean of its divisors is an integer number (3010086883440).

Almost surely, 2200111210201220 is an apocalyptic number.

200111210201220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200111210201220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288968340810240).

200111210201220 is an abundant number, since it is smaller than the sum of its proper divisors (377825471419260).

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

200111210201220 is a wasteful number, since it uses less digits than its factorization.

200111210201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959646 (or 959644 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 200111210201220 its reverse (22102012111002), we get a palindrome (222213222312222).

The spelling of 200111210201220 in words is "two hundred trillion, one hundred eleven billion, two hundred ten million, two hundred one thousand, two hundred twenty".