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1202011111201 = 1770706535953
BaseRepresentation
bin10001011111011101011…
…100011111111100100001
311020220121012222010220111
4101133131130133330201
5124143204321024301
62320110221411321
7152561645603005
oct21373534377441
94226535863814
101202011111201
11423851a3276a
12174b5b109b41
1389470152634
144226b676705
1521401545551
hex117dd71ff21

1202011111201 has 4 divisors (see below), whose sum is σ = 1272717647172. Its totient is φ = 1131304575232.

The previous prime is 1202011111187. The next prime is 1202011111207. The reversal of 1202011111201 is 1021111102021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1076499627025 + 125511484176 = 1037545^2 + 354276^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202011111201 - 29 = 1202011110689 is a prime.

It is a super-2 number, since 2×12020111112012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202011111207) 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, 35353267960 + ... + 35353267993.

It is an arithmetic number, because the mean of its divisors is an integer number (318179411793).

Almost surely, 21202011111201 is an apocalyptic number.

It is an amenable number.

1202011111201 is a deficient number, since it is larger than the sum of its proper divisors (70706535971).

1202011111201 is an equidigital number, since it uses as much as digits as its factorization.

1202011111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70706535970.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1202011111201 its reverse (1021111102021), we get a palindrome (2223122213222).

The spelling of 1202011111201 in words is "one trillion, two hundred two billion, eleven million, one hundred eleven thousand, two hundred one".

Divisors: 1 17 70706535953 1202011111201