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1112122020101 = 9649115257749
BaseRepresentation
bin10000001011101111101…
…000110101000100000101
310221022120200210012012012
4100023233220311010011
5121210111214120401
62210522442304005
7143230264125011
oct20135750650405
93838520705165
101112122020101
11399714984124
1215b6534b8005
1380b462c3331
143bb813a9541
151dddecc58bb
hex102efa35105

1112122020101 has 4 divisors (see below), whose sum is σ = 1112237287500. Its totient is φ = 1112006752704.

The previous prime is 1112122020083. The next prime is 1112122020109. The reversal of 1112122020101 is 1010202212111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 407042724001 + 705079296100 = 637999^2 + 839690^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112122020101 - 234 = 1094942150917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112122020109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57619226 + ... + 57638523.

It is an arithmetic number, because the mean of its divisors is an integer number (278059321875).

Almost surely, 21112122020101 is an apocalyptic number.

It is an amenable number.

1112122020101 is a deficient number, since it is larger than the sum of its proper divisors (115267399).

1112122020101 is an equidigital number, since it uses as much as digits as its factorization.

1112122020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115267398.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1112122020101 its reverse (1010202212111), we get a palindrome (2122324232212).

The spelling of 1112122020101 in words is "one trillion, one hundred twelve billion, one hundred twenty-two million, twenty thousand, one hundred one".

Divisors: 1 9649 115257749 1112122020101