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1112112010221 = 32851130025957
BaseRepresentation
bin10000001011101111000…
…010101001001111101101
310221022112222221122012220
4100023233002221033231
5121210101133311341
62210521443545553
7143230113054462
oct20135702511755
93838488848186
101112112010221
1139970a2675a3
1215b65008b2b9
1380b441ca124
143bb7dd21669
151dddde99a66
hex102ef0a93ed

1112112010221 has 8 divisors (see below), whose sum is σ = 1483336128864. Its totient is φ = 741147949200.

The previous prime is 1112112010213. The next prime is 1112112010237. The reversal of 1112112010221 is 1220102112111.

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 1112112010221 - 23 = 1112112010213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1112112010221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112112010201) 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, 65004426 + ... + 65021531.

It is an arithmetic number, because the mean of its divisors is an integer number (185417016108).

Almost surely, 21112112010221 is an apocalyptic number.

It is an amenable number.

1112112010221 is a deficient number, since it is larger than the sum of its proper divisors (371224118643).

1112112010221 is a wasteful number, since it uses less digits than its factorization.

1112112010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130028811.

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

Adding to 1112112010221 its reverse (1220102112111), we get a palindrome (2332214122332).

The spelling of 1112112010221 in words is "one trillion, one hundred twelve billion, one hundred twelve million, ten thousand, two hundred twenty-one".

Divisors: 1 3 2851 8553 130025957 390077871 370704003407 1112112010221