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1210222100201 = 8086314966327
BaseRepresentation
bin10001100111000110110…
…110111011111011101001
311021200210110101121022012
4101213012312323323221
5124312013324201301
62323545055405305
7153302301056312
oct21470666737351
94250713347265
101210222100201
11427285909294
12176670b23835
138a17b2c97ca
1442809d83609
152173231aebb
hex119c6dbbee9

1210222100201 has 4 divisors (see below), whose sum is σ = 1210237147392. Its totient is φ = 1210207053012.

The previous prime is 1210222100167. The next prime is 1210222100239. The reversal of 1210222100201 is 1020012220121.

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 1210222100201 - 214 = 1210222083817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210222100261) 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, 7402301 + ... + 7564026.

It is an arithmetic number, because the mean of its divisors is an integer number (302559286848).

Almost surely, 21210222100201 is an apocalyptic number.

It is an amenable number.

1210222100201 is a deficient number, since it is larger than the sum of its proper divisors (15047191).

1210222100201 is an equidigital number, since it uses as much as digits as its factorization.

1210222100201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15047190.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1210222100201 its reverse (1020012220121), we get a palindrome (2230234320322).

The spelling of 1210222100201 in words is "one trillion, two hundred ten billion, two hundred twenty-two million, one hundred thousand, two hundred one".

Divisors: 1 80863 14966327 1210222100201