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102211212001 = 313297135871
BaseRepresentation
bin101111100110001000…
…0110101001011100001
3100202211021102112212111
41133030100311023201
53133312032241001
6114542152555321
710245613652503
oct1371420651341
9322737375774
10102211212001
113a390623438
12179863b2b41
13983b968502
144d389b9d73
1529d341d851
hex17cc4352e1

102211212001 has 4 divisors (see below), whose sum is σ = 105508347904. Its totient is φ = 98914076100.

The previous prime is 102211211953. The next prime is 102211212073. The reversal of 102211212001 is 100212112201.

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, and also an emirpimes, since its reverse is a distinct semiprime: 100212112201 = 787127334323.

It is a cyclic number.

It is not a de Polignac number, because 102211212001 - 219 = 102210687713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102211212091) 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, 1648567905 + ... + 1648567966.

It is an arithmetic number, because the mean of its divisors is an integer number (26377086976).

Almost surely, 2102211212001 is an apocalyptic number.

It is an amenable number.

102211212001 is a deficient number, since it is larger than the sum of its proper divisors (3297135903).

102211212001 is an equidigital number, since it uses as much as digits as its factorization.

102211212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3297135902.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102211212001 its reverse (100212112201), we get a palindrome (202423324202).

The spelling of 102211212001 in words is "one hundred two billion, two hundred eleven million, two hundred twelve thousand, one".

Divisors: 1 31 3297135871 102211212001