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1021021202202 = 23473620642561
BaseRepresentation
bin11101101101110011001…
…10110010011100011010
310121121102201112010210120
432312321212302130122
5113212022411432302
62101014535454110
7133523600010561
oct16667146623432
93547381463716
101021021202202
1136401593a281
12145a69b27336
13753883c5021
14375bc1d8bd8
151b85bea09bc
hexedb99b271a

1021021202202 has 16 divisors (see below), whose sum is σ = 2085490115712. Its totient is φ = 333099115520.

The previous prime is 1021021202167. The next prime is 1021021202221. The reversal of 1021021202202 is 2022021201201.

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 7 ways as a sum of consecutive naturals, for example, 1810320999 + ... + 1810321562.

It is an arithmetic number, because the mean of its divisors is an integer number (130343132232).

Almost surely, 21021021202202 is an apocalyptic number.

1021021202202 is an abundant number, since it is smaller than the sum of its proper divisors (1064468913510).

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

1021021202202 is a wasteful number, since it uses less digits than its factorization.

1021021202202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3620642613.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1021021202202 its reverse (2022021201201), we get a palindrome (3043042403403).

The spelling of 1021021202202 in words is "one trillion, twenty-one billion, twenty-one million, two hundred two thousand, two hundred two".

Divisors: 1 2 3 6 47 94 141 282 3620642561 7241285122 10861927683 21723855366 170170200367 340340400734 510510601101 1021021202202