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1112220201221 = 4142196429799
BaseRepresentation
bin10000001011110101011…
…111010111000100000101
310221022211112112022100222
4100023311133113010011
5121210311332414341
62210540310514125
7143232565503233
oct20136537270405
93838745468328
101112220201221
11399765343048
1215b680365945
1380b6074ac7c
143bb90445953
151dde871b44b
hex102f57d7105

1112220201221 has 8 divisors (see below), whose sum is σ = 1139617752000. Its totient is φ = 1084835518560.

The previous prime is 1112220201203. The next prime is 1112220201259. The reversal of 1112220201221 is 1221020222111.

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

It is a cyclic number.

It is not a de Polignac number, because 1112220201221 - 214 = 1112220184837 is a prime.

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 1112220201221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112220201271) 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, 3041921 + ... + 3387878.

It is an arithmetic number, because the mean of its divisors is an integer number (142452219000).

Almost surely, 21112220201221 is an apocalyptic number.

It is an amenable number.

1112220201221 is a deficient number, since it is larger than the sum of its proper divisors (27397550779).

1112220201221 is an equidigital number, since it uses as much as digits as its factorization.

1112220201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6434059.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1112220201221 its reverse (1221020222111), we get a palindrome (2333240423332).

The spelling of 1112220201221 in words is "one trillion, one hundred twelve billion, two hundred twenty million, two hundred one thousand, two hundred twenty-one".

Divisors: 1 41 4219 172979 6429799 263621759 27127321981 1112220201221