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2011111021219 = 171123105343409
BaseRepresentation
bin11101010000111111100…
…011101101101010100011
321010021000210012012200111
4131100333203231222203
5230422223410134334
64135520332432151
7265204130424646
oct35207743555243
97107023165614
102011111021219
117059a8818553
12285925018657
13117854490b41
146d4a43bda5d
15374a869c064
hex1d43f8edaa3

2011111021219 has 8 divisors (see below), whose sum is σ = 2131307871120. Its totient is φ = 1891124860416.

The previous prime is 2011111021193. The next prime is 2011111021289. The reversal of 2011111021219 is 9121201111102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2011111021219 - 219 = 2011110496931 is a prime.

It is a super-2 number, since 2×20111110212192 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2011111021219.

It is not an unprimeable number, because it can be changed into a prime (2011111021289) 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, 52652614 + ... + 52690795.

It is an arithmetic number, because the mean of its divisors is an integer number (266413483890).

Almost surely, 22011111021219 is an apocalyptic number.

2011111021219 is a deficient number, since it is larger than the sum of its proper divisors (120196849901).

2011111021219 is a wasteful number, since it uses less digits than its factorization.

2011111021219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105344549.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 2011111021219 in words is "two trillion, eleven billion, one hundred eleven million, twenty-one thousand, two hundred nineteen".

Divisors: 1 17 1123 19091 105343409 1790837953 118300648307 2011111021219