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1222202100201 = 3407400700067
BaseRepresentation
bin10001110010010000111…
…011000000100111101001
311022211201100212122210220
4101302100323000213221
5130011032214201301
62333245532400253
7154205210304105
oct21622073004751
94284640778726
101222202100201
1143137324a635
12178a55016089
138b33a27abc4
1443225076905
1521bd3e3a936
hex11c90ec09e9

1222202100201 has 4 divisors (see below), whose sum is σ = 1629602800272. Its totient is φ = 814801400132.

The previous prime is 1222202100199. The next prime is 1222202100209. The reversal of 1222202100201 is 1020012022221.

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 1222202100201 - 21 = 1222202100199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222202100209) 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, 203700350031 + ... + 203700350036.

It is an arithmetic number, because the mean of its divisors is an integer number (407400700068).

Almost surely, 21222202100201 is an apocalyptic number.

It is an amenable number.

1222202100201 is a deficient number, since it is larger than the sum of its proper divisors (407400700071).

1222202100201 is an equidigital number, since it uses as much as digits as its factorization.

1222202100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407400700070.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1222202100201 its reverse (1020012022221), we get a palindrome (2242214122422).

The spelling of 1222202100201 in words is "one trillion, two hundred twenty-two billion, two hundred two million, one hundred thousand, two hundred one".

Divisors: 1 3 407400700067 1222202100201