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2011001112021 = 31125539947967
BaseRepresentation
bin11101010000111001000…
…000011100010111010101
321010020202010101020121110
4131100321000130113111
5230422012241041041
64135501405005233
7265201324261656
oct35207100342725
97106663336543
102011001112021
11705951779100
122858b4253819
1311783778ac05
146d49396d52d
153749dbdb516
hex1d43901c5d5

2011001112021 has 12 divisors (see below), whose sum is σ = 2947252318976. Its totient is φ = 1218788552520.

The previous prime is 2011001112017. The next prime is 2011001112053. The reversal of 2011001112021 is 1202111001102.

It is not a de Polignac number, because 2011001112021 - 22 = 2011001112017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011001111988 and 2011001112006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011001112061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2769973621 + ... + 2769974346.

Almost surely, 22011001112021 is an apocalyptic number.

It is an amenable number.

2011001112021 is a deficient number, since it is larger than the sum of its proper divisors (936251206955).

2011001112021 is a wasteful number, since it uses less digits than its factorization.

2011001112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5539947992 (or 5539947981 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2011001112021 its reverse (1202111001102), we get a palindrome (3213112113123).

The spelling of 2011001112021 in words is "two trillion, eleven billion, one million, one hundred twelve thousand, twenty-one".

Divisors: 1 3 11 33 121 363 5539947967 16619843901 60939427637 182818282911 670333704007 2011001112021