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1021102022111 = 10157117705641
BaseRepresentation
bin11101101101111100110…
…11000101110111011111
310121121122100121012212112
432312332123011313133
5113212204104201421
62101030544024235
7133525600660253
oct16667633056737
93547570535775
101021102022111
11364057520496
12145a9100207b
137539c081662
14375c8c36263
151b86411745b
hexedbe6c5ddf

1021102022111 has 8 divisors (see below), whose sum is σ = 1033017976848. Its totient is φ = 1009221480000.

The previous prime is 1021102022077. The next prime is 1021102022119. The reversal of 1021102022111 is 1112202011201.

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 1021102022111 - 234 = 1003922152927 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 (1021102022119) 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, 8795150 + ... + 8910491.

It is an arithmetic number, because the mean of its divisors is an integer number (129127247106).

Almost surely, 21021102022111 is an apocalyptic number.

1021102022111 is a deficient number, since it is larger than the sum of its proper divisors (11915954737).

1021102022111 is a wasteful number, since it uses less digits than its factorization.

1021102022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17706313.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1021102022111 its reverse (1112202011201), we get a palindrome (2133304033312).

The spelling of 1021102022111 in words is "one trillion, twenty-one billion, one hundred two million, twenty-two thousand, one hundred eleven".

Divisors: 1 101 571 57671 17705641 1788269741 10109921011 1021102022111