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1202011221101 = 1963263748479
BaseRepresentation
bin10001011111011101011…
…100111010110001101101
311020220121020011201122212
4101133131130322301231
5124143204333033401
62320110224020205
7152561646541265
oct21373534726155
94226536151585
101202011221101
11423851aa8299
12174b5b161665
1389470190672
144226b6a47a5
1521401567dbb
hex117dd73ac6d

1202011221101 has 4 divisors (see below), whose sum is σ = 1265274969600. Its totient is φ = 1138747472604.

The previous prime is 1202011221031. The next prime is 1202011221119. The reversal of 1202011221101 is 1011221102021.

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 1202011221101 - 214 = 1202011204717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202011221401) 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, 31631874221 + ... + 31631874258.

It is an arithmetic number, because the mean of its divisors is an integer number (316318742400).

Almost surely, 21202011221101 is an apocalyptic number.

It is an amenable number.

1202011221101 is a deficient number, since it is larger than the sum of its proper divisors (63263748499).

1202011221101 is an equidigital number, since it uses as much as digits as its factorization.

1202011221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63263748498.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1202011221101 its reverse (1011221102021), we get a palindrome (2213232323122).

The spelling of 1202011221101 in words is "one trillion, two hundred two billion, eleven million, two hundred twenty-one thousand, one hundred one".

Divisors: 1 19 63263748479 1202011221101