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1112012210321 = 7319378927689
BaseRepresentation
bin10000001011101001000…
…101111100000010010001
310221022022001011021111022
4100023221011330002101
5121204400111212241
62210503520525225
7143224461554615
oct20135105740221
93838261137438
101112012210321
113996689a2441
1215b622780815
1380b2962672c
143bb70983345
151ddd533454b
hex102e917c091

1112012210321 has 8 divisors (see below), whose sum is σ = 1133085917640. Its totient is φ = 1091096358912.

The previous prime is 1112012210293. The next prime is 1112012210363. The reversal of 1112012210321 is 1230122102111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2107819921 + 1109904390400 = 45911^2 + 1053520^2 .

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-1112012210321 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 1112012210321.

It is not an unprimeable number, because it can be changed into a prime (1112017210321) 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, 39449756 + ... + 39477933.

It is an arithmetic number, because the mean of its divisors is an integer number (141635739705).

Almost surely, 21112012210321 is an apocalyptic number.

It is an amenable number.

1112012210321 is a deficient number, since it is larger than the sum of its proper divisors (21073707319).

1112012210321 is an equidigital number, since it uses as much as digits as its factorization.

1112012210321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78927955.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1112012210321 its reverse (1230122102111), we get a palindrome (2342134312432).

The spelling of 1112012210321 in words is "one trillion, one hundred twelve billion, twelve million, two hundred ten thousand, three hundred twenty-one".

Divisors: 1 73 193 14089 78927689 5761721297 15233043977 1112012210321