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1112100120001 = 13421203197537
BaseRepresentation
bin10000001011101110010…
…101010010010111000001
310221022112011120112220101
4100023232111102113001
5121210040112320001
62210520341042401
7143226610023223
oct20135625222701
93838464515811
101112100120001
11399703586272
1215b6480b6401
1380b418c60b0
143bb7c508413
151dddcdeba01
hex102ee5525c1

1112100120001 has 8 divisors (see below), whose sum is σ = 1200491054504. Its totient is φ = 1024115581440.

The previous prime is 1112100119953. The next prime is 1112100120017. The reversal of 1112100120001 is 1000210012111.

It can be written as a sum of positive squares in 4 ways, for example, as 1344322225 + 1110755797776 = 36665^2 + 1053924^2 .

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 1112100120001 - 227 = 1111965902273 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 1112100120001.

It is not an unprimeable number, because it can be changed into a prime (1112100120031) 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, 101593296 + ... + 101604241.

It is an arithmetic number, because the mean of its divisors is an integer number (150061381813).

Almost surely, 21112100120001 is an apocalyptic number.

It is an amenable number.

1112100120001 is a deficient number, since it is larger than the sum of its proper divisors (88390934503).

1112100120001 is a wasteful number, since it uses less digits than its factorization.

1112100120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203197971.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1112100120001 its reverse (1000210012111), we get a palindrome (2112310132112).

The spelling of 1112100120001 in words is "one trillion, one hundred twelve billion, one hundred million, one hundred twenty thousand, one".

Divisors: 1 13 421 5473 203197537 2641567981 85546163077 1112100120001