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202122120022201 = 265776071554393
BaseRepresentation
bin101101111101010000111001…
…001010100100100010111001
3222111122200112001211210202201
4231331100321022210202321
5202443032100211202301
61553513341534230201
760400561362012661
oct5575207112444271
9874580461753681
10202122120022201
1159447567492315
121a804755055361
1388a2059cb8a02
1437caa971d91a1
1518579d81e2201
hexb7d4392a48b9

202122120022201 has 4 divisors (see below), whose sum is σ = 202198191579252. Its totient is φ = 202046048465152.

The previous prime is 202122120022189. The next prime is 202122120022253. The reversal of 202122120022201 is 102220021221202.

202122120022201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45614138622976 + 156507981399225 = 6753824^2 + 12510315^2 .

It is a cyclic number.

It is not a de Polignac number, because 202122120022201 - 25 = 202122120022169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202122120028201) 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, 38035774540 + ... + 38035779853.

It is an arithmetic number, because the mean of its divisors is an integer number (50549547894813).

Almost surely, 2202122120022201 is an apocalyptic number.

It is an amenable number.

202122120022201 is a deficient number, since it is larger than the sum of its proper divisors (76071557051).

202122120022201 is an equidigital number, since it uses as much as digits as its factorization.

202122120022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76071557050.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 202122120022201 its reverse (102220021221202), we get a palindrome (304342141243403).

The spelling of 202122120022201 in words is "two hundred two trillion, one hundred twenty-two billion, one hundred twenty million, twenty-two thousand, two hundred one".

Divisors: 1 2657 76071554393 202122120022201