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1021020211122 = 238111382915173
BaseRepresentation
bin11101101101110011000…
…11000000011110110010
310121121102122122210021220
432312321203000132302
5113212022133223442
62101014502325510
7133523555412252
oct16667143003662
93547378583256
101021020211122
113640153226aa
12145a69729896
1375388138ba2
14375bc01b962
151b85bd56eec
hexedb98c07b2

1021020211122 has 32 divisors (see below), whose sum is σ = 2044840956480. Its totient is φ = 339873433920.

The previous prime is 1021020211091. The next prime is 1021020211151. The reversal of 1021020211122 is 2211120201201.

It is a super-2 number, since 2×10210202111222 (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 15 ways as a sum of consecutive naturals, for example, 67284328 + ... + 67299500.

It is an arithmetic number, because the mean of its divisors is an integer number (63901279890).

Almost surely, 21021020211122 is an apocalyptic number.

1021020211122 is an abundant number, since it is smaller than the sum of its proper divisors (1023820745358).

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

1021020211122 is a wasteful number, since it uses less digits than its factorization.

1021020211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29818.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1021020211122 its reverse (2211120201201), we get a palindrome (3232140412323).

The spelling of 1021020211122 in words is "one trillion, twenty-one billion, twenty million, two hundred eleven thousand, one hundred twenty-two".

Divisors: 1 2 3 6 811 1622 2433 4866 13829 15173 27658 30346 41487 45519 82974 91038 11215319 12305303 22430638 24610606 33645957 36915909 67291914 73831818 209827417 419654834 629482251 1258964502 170170035187 340340070374 510510105561 1021020211122