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10202121111010 = 2529155692259601
BaseRepresentation
bin1001010001110101110111…
…0011100000010111100010
31100010022110100202112121211
42110131131303200113202
52314122421001023020
633410442325540334
72102036033422363
oct224353563402742
940108410675554
1010202121111010
113283771442324
1211892a58746aa
13590095a4756a
14273adcbd3b6a
1512a5a96ee85a
hex9475dce05e2

10202121111010 has 32 divisors (see below), whose sum is σ = 18998281695600. Its totient is φ = 3939874713600.

The previous prime is 10202121110983. The next prime is 10202121111023. The reversal of 10202121111010 is 1011112120201.

Adding to 10202121111010 its reverse (1011112120201), we get a palindrome (11213233231211).

It is a happy number.

10202121111010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 5109412680801 + 5092708430209 = 2260401^2 + 2256703^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3385210 + ... + 5644810.

Almost surely, 210202121111010 is an apocalyptic number.

10202121111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10202121111010 is a deficient number, since it is larger than the sum of its proper divisors (8796160584590).

10202121111010 is a wasteful number, since it uses less digits than its factorization.

10202121111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275206.

The product of its (nonzero) digits is 8, while the sum is 13.

The spelling of 10202121111010 in words is "ten trillion, two hundred two billion, one hundred twenty-one million, one hundred eleven thousand, ten".

Divisors: 1 2 5 10 29 58 145 290 15569 31138 77845 155690 451501 903002 2257505 2259601 4515010 4519202 11298005 22596010 65528429 131056858 327642145 655284290 35179727969 70359455938 175898639845 351797279690 1020212111101 2040424222202 5101060555505 10202121111010