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1021022100211 = 3152736246197
BaseRepresentation
bin11101101101110011010…
…10001101101011110011
310121121102210012202122011
432312321222031223303
5113212023124201321
62101015011023351
7133523610440641
oct16667152155363
93547383182564
101021022100211
113640163a2a33
12145a6a29ab57
137538864a9a9
14375bc390191
151b85c0cbae1
hexedb9a8daf3

1021022100211 has 8 divisors (see below), whose sum is σ = 1054158344064. Its totient is φ = 987898359360.

The previous prime is 1021022100199. The next prime is 1021022100227. The reversal of 1021022100211 is 1120012201201.

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

It is a cyclic number.

It is not a de Polignac number, because 1021022100211 - 213 = 1021022092019 is a prime.

It is a super-2 number, since 2×10210221002112 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1021022100191 and 1021022100200.

It is not an unprimeable number, because it can be changed into a prime (1021022100311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2959636 + ... + 3286561.

It is an arithmetic number, because the mean of its divisors is an integer number (131769793008).

Almost surely, 21021022100211 is an apocalyptic number.

1021022100211 is a deficient number, since it is larger than the sum of its proper divisors (33136243853).

1021022100211 is an equidigital number, since it uses as much as digits as its factorization.

1021022100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6251501.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1021022100211 its reverse (1120012201201), we get a palindrome (2141034301412).

The spelling of 1021022100211 in words is "one trillion, twenty-one billion, twenty-two million, one hundred thousand, two hundred eleven".

Divisors: 1 31 5273 163463 6246197 193632107 32936196781 1021022100211