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21020201000112 = 2432128432057483
BaseRepresentation
bin1001100011110001001011…
…00111010001110010110000
32202102111210221122001201010
410301320211213101302300
510223343332424000422
6112412314054110520
74266442114315656
oct461704547216260
982374727561633
1021020201000112
116774687518346
122435a3294b440
13b962727a1782
1452955154cdd6
15266bb4d1db0c
hex131e259d1cb0

21020201000112 has 40 divisors (see below), whose sum is σ = 54302467437504. Its totient is φ = 7006697341504.

The previous prime is 21020201000077. The next prime is 21020201000129. The reversal of 21020201000112 is 21100010202012.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 9187723 + ... + 11245205.

Almost surely, 221020201000112 is an apocalyptic number.

It is an amenable number.

21020201000112 is an abundant number, since it is smaller than the sum of its proper divisors (33282266437392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21020201000112 is a wasteful number, since it uses less digits than its factorization.

21020201000112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270337 (or 2270331 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 21020201000112 its reverse (21100010202012), we get a palindrome (42120211202124).

The spelling of 21020201000112 in words is "twenty-one trillion, twenty billion, two hundred one million, one hundred twelve", and thus it is an aban number.

Divisors: 1 2 3 4 6 8 12 16 24 48 212843 425686 638529 851372 1277058 1702744 2057483 2554116 3405488 4114966 5108232 6172449 8229932 10216464 12344898 16459864 24689796 32919728 49379592 98759184 437920854169 875841708338 1313762562507 1751683416676 2627525125014 3503366833352 5255050250028 7006733666704 10510100500056 21020201000112