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1112212210001 = 1128798539223
BaseRepresentation
bin10000001011110101000…
…000111000000101010001
310221022210222111022110212
4100023311000320011101
5121210302311210001
62210535423333505
7143232440541224
oct20136500700521
93838728438425
101112212210001
11399760885132
1215b679751295
1380b5bbb0839
143bb8d3655bb
151dde7b8d7bb
hex102f5038151

1112212210001 has 4 divisors (see below), whose sum is σ = 1112310760512. Its totient is φ = 1112113659492.

The previous prime is 1112212209971. The next prime is 1112212210163. The reversal of 1112212210001 is 1000122122111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1112212210001 - 222 = 1112208015697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112212216001) 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, 49258325 + ... + 49280898.

It is an arithmetic number, because the mean of its divisors is an integer number (278077690128).

Almost surely, 21112212210001 is an apocalyptic number.

It is an amenable number.

1112212210001 is a deficient number, since it is larger than the sum of its proper divisors (98550511).

1112212210001 is an equidigital number, since it uses as much as digits as its factorization.

1112212210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98550510.

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

Adding to 1112212210001 its reverse (1000122122111), we get a palindrome (2112334332112).

The spelling of 1112212210001 in words is "one trillion, one hundred twelve billion, two hundred twelve million, two hundred ten thousand, one".

Divisors: 1 11287 98539223 1112212210001