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1022120011 = 11641144961
BaseRepresentation
bin111100111011000…
…101000001001011
32122020022002001201
4330323011001023
54043130320021
6245231325031
734220606503
oct7473050113
92566262051
101022120011
11484a61990
12246380777
131339b3553
1499a68a03
155eb00591
hex3cec504b

1022120011 has 8 divisors (see below), whose sum is σ = 1116787248. Its totient is φ = 927744000.

The previous prime is 1022120009. The next prime is 1022120059. The reversal of 1022120011 is 1100212201.

1022120011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1022120011 - 21 = 1022120009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1022120011.

It is not an unprimeable number, because it can be changed into a prime (1022120111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65430 + ... + 79531.

It is an arithmetic number, because the mean of its divisors is an integer number (139598406).

Almost surely, 21022120011 is an apocalyptic number.

1022120011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1022120011 is a deficient number, since it is larger than the sum of its proper divisors (94667237).

1022120011 is a wasteful number, since it uses less digits than its factorization.

1022120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145613.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1022120011 is about 31970.6116769761. The cubic root of 1022120011 is about 1007.3196293056.

Adding to 1022120011 its reverse (1100212201), we get a palindrome (2122332212).

The spelling of 1022120011 in words is "one billion, twenty-two million, one hundred twenty thousand, eleven".

Divisors: 1 11 641 7051 144961 1594571 92920001 1022120011