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1021010111122 = 21811281891251
BaseRepresentation
bin11101101101110001111…
…00011110101010010010
310121121101221122122200211
432312320330132222102
5113212012042023442
62101013502034334
7133523403515221
oct16667074365222
93547357578624
101021010111122
1136400a6543a1
12145a662789aa
1375386010961
14375ba94ccb8
151b85b00e617
hexedb8f1ea92

1021010111122 has 8 divisors (see below), whose sum is σ = 1532360845872. Its totient is φ = 510223162500.

The previous prime is 1021010111113. The next prime is 1021010111131. The reversal of 1021010111122 is 2211110101201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1021010111113) and next prime (1021010111131).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140942004 + ... + 140949247.

It is an arithmetic number, because the mean of its divisors is an integer number (191545105734).

Almost surely, 21021010111122 is an apocalyptic number.

1021010111122 is a deficient number, since it is larger than the sum of its proper divisors (511350734750).

1021010111122 is a wasteful number, since it uses less digits than its factorization.

1021010111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281893064.

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

Adding to 1021010111122 its reverse (2211110101201), we get a palindrome (3232120212323).

The spelling of 1021010111122 in words is "one trillion, twenty-one billion, ten million, one hundred eleven thousand, one hundred twenty-two".

Divisors: 1 2 1811 3622 281891251 563782502 510505055561 1021010111122