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1202202212101 = 11109291110191
BaseRepresentation
bin10001011111101000110…
…101011111011100000101
311020221002112120002001121
4101133220311133130011
5124144102231241401
62320141205353541
7152566456124332
oct21375065373405
94227075502047
101202202212101
1142393a8976a0
12174bb31088b1
13894a09121a7
1442288bbd989
15214131e2ca1
hex117e8d5f705

1202202212101 has 4 divisors (see below), whose sum is σ = 1311493322304. Its totient is φ = 1092911101900.

The previous prime is 1202202212059. The next prime is 1202202212119. The reversal of 1202202212101 is 1012122022021.

It is a happy number.

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 1202202212101 - 217 = 1202202081029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202202212161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54645555085 + ... + 54645555106.

It is an arithmetic number, because the mean of its divisors is an integer number (327873330576).

Almost surely, 21202202212101 is an apocalyptic number.

1202202212101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1202202212101 is a deficient number, since it is larger than the sum of its proper divisors (109291110203).

1202202212101 is a wasteful number, since it uses less digits than its factorization.

1202202212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109291110202.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1202202212101 its reverse (1012122022021), we get a palindrome (2214324234122).

The spelling of 1202202212101 in words is "one trillion, two hundred two billion, two hundred two million, two hundred twelve thousand, one hundred one".

Divisors: 1 11 109291110191 1202202212101