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10021121022203 = 21557334648591
BaseRepresentation
bin1001000111010011100101…
…0110111101100011111011
31022111000021011011100102222
42101310321112331203323
52303141223440202303
633151350041514255
72053000502151434
oct221647126754373
938430234140388
1010021121022203
113213a2a626675
12115a1b11a298b
13578cabb645b5
1426904c26648b
15125a142e8938
hex91d395bd8fb

10021121022203 has 4 divisors (see below), whose sum is σ = 10021127826528. Its totient is φ = 10021114217880.

The previous prime is 10021121022163. The next prime is 10021121022287. The reversal of 10021121022203 is 30222012112001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10021121022203 - 210 = 10021121021179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10021121022103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168563 + ... + 4480028.

It is an arithmetic number, because the mean of its divisors is an integer number (2505281956632).

Almost surely, 210021121022203 is an apocalyptic number.

10021121022203 is a deficient number, since it is larger than the sum of its proper divisors (6804325).

10021121022203 is an equidigital number, since it uses as much as digits as its factorization.

10021121022203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6804324.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10021121022203 its reverse (30222012112001), we get a palindrome (40243133134204).

The spelling of 10021121022203 in words is "ten trillion, twenty-one billion, one hundred twenty-one million, twenty-two thousand, two hundred three".

Divisors: 1 2155733 4648591 10021121022203