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1121001230101 = 2813989328221
BaseRepresentation
bin10000010100000000111…
…000010100111100010101
310222011111111120210110211
4100110000320110330111
5121331302303330401
62214551510445421
7143663312144434
oct20240070247425
93864444523424
101121001230101
113a2460a74005
12161311063871
138192ca30c4c
143c38473b11b
151e25e592951
hex10500e14f15

1121001230101 has 4 divisors (see below), whose sum is σ = 1124990558604. Its totient is φ = 1117011901600.

The previous prime is 1121001230087. The next prime is 1121001230149. The reversal of 1121001230101 is 1010321001211.

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 538719300625 + 582281929476 = 733975^2 + 763074^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121001230101 - 29 = 1121001229589 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 (1121001270101) 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, 1994663830 + ... + 1994664391.

It is an arithmetic number, because the mean of its divisors is an integer number (281247639651).

Almost surely, 21121001230101 is an apocalyptic number.

It is an amenable number.

1121001230101 is a deficient number, since it is larger than the sum of its proper divisors (3989328503).

1121001230101 is an equidigital number, since it uses as much as digits as its factorization.

1121001230101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3989328502.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1121001230101 its reverse (1010321001211), we get a palindrome (2131322231312).

The spelling of 1121001230101 in words is "one trillion, one hundred twenty-one billion, one million, two hundred thirty thousand, one hundred one".

Divisors: 1 281 3989328221 1121001230101