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2021122012202 = 21582363866587
BaseRepresentation
bin11101011010010100010…
…000100111010000101010
321011012212110122020121022
4131122110100213100222
5231103224213342302
64144253551012442
7266010200434406
oct35322420472052
97135773566538
102021122012202
1170a17575a217
1228785980a122
1311878b528c47
146db73ba4106
15378924cb8a2
hex1d69442742a

2021122012202 has 8 divisors (see below), whose sum is σ = 3031874665536. Its totient is φ = 1010497123692.

The previous prime is 2021122012109. The next prime is 2021122012229. The reversal of 2021122012202 is 2022102211202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20211220122022 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31901648 + ... + 31964939.

It is an arithmetic number, because the mean of its divisors is an integer number (378984333192).

Almost surely, 22021122012202 is an apocalyptic number.

2021122012202 is a deficient number, since it is larger than the sum of its proper divisors (1010752653334).

2021122012202 is a wasteful number, since it uses less digits than its factorization.

2021122012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63882412.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2021122012202 its reverse (2022102211202), we get a palindrome (4043224223404).

The spelling of 2021122012202 in words is "two trillion, twenty-one billion, one hundred twenty-two million, twelve thousand, two hundred two".

Divisors: 1 2 15823 31646 63866587 127733174 1010561006101 2021122012202