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210022212001121 = 1357128293440927
BaseRepresentation
bin101111110000001110011011…
…010101110101110101100001
31000112121221001001122212201222
4233300032123111311311201
5210012000442233013441
62022402512222504425
762144414125610642
oct5760163325656541
91015557031585658
10210022212001121
1160a12a13452593
121b67b865a35115
139026018166020
1439c11b4b1b6c9
15194325e03ad4b
hexbf039b575d61

210022212001121 has 8 divisors (see below), whose sum is σ = 226573874951424. Its totient is φ = 193527135933840.

The previous prime is 210022212001111. The next prime is 210022212001187. The reversal of 210022212001121 is 121100212220012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-210022212001121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210022212001121.

It is not an unprimeable number, because it can be changed into a prime (210022212001111) 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, 14146713041 + ... + 14146727886.

It is an arithmetic number, because the mean of its divisors is an integer number (28321734368928).

Almost surely, 2210022212001121 is an apocalyptic number.

It is an amenable number.

210022212001121 is a deficient number, since it is larger than the sum of its proper divisors (16551662950303).

210022212001121 is a wasteful number, since it uses less digits than its factorization.

210022212001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28293441511.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210022212001121 its reverse (121100212220012), we get a palindrome (331122424221133).

The spelling of 210022212001121 in words is "two hundred ten trillion, twenty-two billion, two hundred twelve million, one thousand, one hundred twenty-one".

Divisors: 1 13 571 7423 28293440927 367814732051 16155554769317 210022212001121