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1021010200111 = 11592117455949
BaseRepresentation
bin11101101101110001111…
…00110100011000101111
310121121101221211011202201
432312320330310120233
5113212012102400421
62101013504002331
7133523404335526
oct16667074643057
93547357734681
101021010200111
1136400a705240
12145a663003a7
1375386042305
14375ba9734bd
151b85b02ab91
hexedb8f3462f

1021010200111 has 16 divisors (see below), whose sum is σ = 1138076208000. Its totient is φ = 908134466400.

The previous prime is 1021010200109. The next prime is 1021010200141. The reversal of 1021010200111 is 1110020101201.

It is not a de Polignac number, because 1021010200111 - 21 = 1021010200109 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 (1021010200141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3591036 + ... + 3864913.

It is an arithmetic number, because the mean of its divisors is an integer number (71129763000).

Almost surely, 21021010200111 is an apocalyptic number.

1021010200111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1021010200111 is a deficient number, since it is larger than the sum of its proper divisors (117066007889).

1021010200111 is a wasteful number, since it uses less digits than its factorization.

1021010200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7456230.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1021010200111 its reverse (1110020101201), we get a palindrome (2131030301312).

The spelling of 1021010200111 in words is "one trillion, twenty-one billion, ten million, two hundred thousand, one hundred eleven".

Divisors: 1 11 59 211 649 2321 12449 136939 7455949 82015439 439900991 1573205239 4838910901 17305257629 92819109101 1021010200111