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201022114021 = 249238065727
BaseRepresentation
bin1011101100110111011…
…0100000100011100101
3201012212120120110100021
42323031312200203211
511243143130122041
6232203121315141
720344341530161
oct2731566404345
9635776513307
10201022114021
1178286819633
1232b61a95ab1
1315c57ccca81
149a2db47ca1
155368072cd1
hex2ecdda08e5

201022114021 has 4 divisors (see below), whose sum is σ = 201030204672. Its totient is φ = 201014023372.

The previous prime is 201022114003. The next prime is 201022114093. The reversal of 201022114021 is 120411220102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201022114021 - 219 = 201021589733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201022113986 and 201022114004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201022114121) 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, 4007941 + ... + 4057786.

It is an arithmetic number, because the mean of its divisors is an integer number (50257551168).

Almost surely, 2201022114021 is an apocalyptic number.

It is an amenable number.

201022114021 is a deficient number, since it is larger than the sum of its proper divisors (8090651).

201022114021 is an equidigital number, since it uses as much as digits as its factorization.

201022114021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8090650.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201022114021 its reverse (120411220102), we get a palindrome (321433334123).

The spelling of 201022114021 in words is "two hundred one billion, twenty-two million, one hundred fourteen thousand, twenty-one".

Divisors: 1 24923 8065727 201022114021