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1210101001201 = 1963689526379
BaseRepresentation
bin10001100110111111101…
…000111110101111110001
311021200111000112010201001
4101212333220332233301
5124311241324014301
62323525052042001
7153266300540101
oct21467750765761
94250430463631
101210101001201
11427223516874
12176638463301
138a15c1a95b1
14427d7c5d201
1521726899c01
hex119bfa3ebf1

1210101001201 has 4 divisors (see below), whose sum is σ = 1273790527600. Its totient is φ = 1146411474804.

The previous prime is 1210101001169. The next prime is 1210101001259. The reversal of 1210101001201 is 1021001010121.

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 1210101001201 - 25 = 1210101001169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210101101201) 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, 31844763171 + ... + 31844763208.

It is an arithmetic number, because the mean of its divisors is an integer number (318447631900).

Almost surely, 21210101001201 is an apocalyptic number.

It is an amenable number.

1210101001201 is a deficient number, since it is larger than the sum of its proper divisors (63689526399).

1210101001201 is an equidigital number, since it uses as much as digits as its factorization.

1210101001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63689526398.

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

Adding to 1210101001201 its reverse (1021001010121), we get a palindrome (2231102011322).

It can be divided in two parts, 121010 and 1001201, that added together give a palindrome (1122211).

The spelling of 1210101001201 in words is "one trillion, two hundred ten billion, one hundred one million, one thousand, two hundred one".

Divisors: 1 19 63689526379 1210101001201