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11212111002210 = 2351093428780123
BaseRepresentation
bin1010001100101000010111…
…1001001011101001100010
31110200212102021221000120020
42203022011321023221202
52432144400404032320
635502434522254310
72235022364021556
oct243120571135142
943625367830506
1011212111002210
1136330363a8348
121310b95357396
136343b38a1311
142aa951ccb866
151469bcec8940
hexa3285e4ba62

11212111002210 has 32 divisors (see below), whose sum is σ = 27155938582080. Its totient is φ = 2962466025408.

The previous prime is 11212111002203. The next prime is 11212111002269. The reversal of 11212111002210 is 1220011121211.

It is a happy number.

It is a super-2 number, since 2×112121110022102 (a number of 27 digits) contains 22 as substring.

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 11212111002210.

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, 1714386792 + ... + 1714393331.

It is an arithmetic number, because the mean of its divisors is an integer number (848623080690).

Almost surely, 211212111002210 is an apocalyptic number.

11212111002210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11212111002210 is an abundant number, since it is smaller than the sum of its proper divisors (15943827579870).

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

11212111002210 is a wasteful number, since it uses less digits than its factorization.

11212111002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3428780242.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11212111002210 its reverse (1220011121211), we get a palindrome (12432122123421).

The spelling of 11212111002210 in words is "eleven trillion, two hundred twelve billion, one hundred eleven million, two thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 109 218 327 545 654 1090 1635 3270 3428780123 6857560246 10286340369 17143900615 20572680738 34287801230 51431701845 102863403690 373737033407 747474066814 1121211100221 1868685167035 2242422200442 3737370334070 5606055501105 11212111002210