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1021010101012 = 2211177713058399
BaseRepresentation
bin11101101101110001111…
…00011100001100010100
310121121101221122010211101
432312320330130030110
5113212012041213022
62101013501515444
7133523403443566
oct16667074341424
93547357563741
101021010101012
1136400a647840
12145a66272b84
1375386009185
14375ba949336
151b85b00b627
hexedb8f1c314

1021010101012 has 24 divisors (see below), whose sum is σ = 1950298156800. Its totient is φ = 463834296960.

The previous prime is 1021010101009. The next prime is 1021010101021. The reversal of 1021010101012 is 2101010101201.

It is a self number, because there is not a number n which added to its sum of digits gives 1021010101012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6451012 + ... + 6607387.

It is an arithmetic number, because the mean of its divisors is an integer number (81262423200).

Almost surely, 21021010101012 is an apocalyptic number.

It is an amenable number.

1021010101012 is a deficient number, since it is larger than the sum of its proper divisors (929288055788).

1021010101012 is a wasteful number, since it uses less digits than its factorization.

1021010101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13060191 (or 13060189 counting only the distinct ones).

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

Adding to 1021010101012 its reverse (2101010101201), we get a palindrome (3122020202213).

The spelling of 1021010101012 in words is "one trillion, twenty-one billion, ten million, one hundred one thousand, twelve".

Divisors: 1 2 4 11 22 44 1777 3554 7108 19547 39094 78188 13058399 26116798 52233596 143642389 287284778 574569556 23204775023 46409550046 92819100092 255252525253 510505050506 1021010101012