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1111001221219 = 28371290730341
BaseRepresentation
bin10000001010101100110…
…101010100100001100011
310221012200120210201011111
4100022230311110201203
5121200312303034334
62210215323524151
7143160434364541
oct20125465244143
93835616721144
101111001221219
1139919a25335a
1215b3a0089657
13809c803c726
143bab65b4d91
151dd766d2064
hex102acd54863

1111001221219 has 8 divisors (see below), whose sum is σ = 1111515573168. Its totient is φ = 1110486961440.

The previous prime is 1111001221159. The next prime is 1111001221223. The reversal of 1111001221219 is 9121221001111.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1111001221219 is a prime.

It is a super-2 number, since 2×11110012212192 (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 1111001221219.

It is not an unprimeable number, because it can be changed into a prime (1111001221019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36601989 + ... + 36632329.

It is an arithmetic number, because the mean of its divisors is an integer number (138939446646).

Almost surely, 21111001221219 is an apocalyptic number.

1111001221219 is a deficient number, since it is larger than the sum of its proper divisors (514351949).

1111001221219 is a wasteful number, since it uses less digits than its factorization.

1111001221219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46085.

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

The spelling of 1111001221219 in words is "one trillion, one hundred eleven billion, one million, two hundred twenty-one thousand, two hundred nineteen".

Divisors: 1 2837 12907 30341 36617159 86077417 391611287 1111001221219