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210122011001 = 7136792194417
BaseRepresentation
bin1100001110110000111…
…1110111000101111001
3202002100202122010020202
43003230033313011321
511420312213323001
6240310111531545
721116006424110
oct3035417670571
9662322563222
10210122011001
1181126440951
1234881529bb5
1316a783889b6
14a254524c77
1556ebdd396b
hex30ec3f7179

210122011001 has 8 divisors (see below), whose sum is σ = 240157105920. Its totient is φ = 180091332288.

The previous prime is 210122010983. The next prime is 210122011063. The reversal of 210122011001 is 100110221012.

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

It is not a de Polignac number, because 210122011001 - 26 = 210122010937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210122011201) 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, 1001456 + ... + 1192961.

It is an arithmetic number, because the mean of its divisors is an integer number (30019638240).

Almost surely, 2210122011001 is an apocalyptic number.

It is an amenable number.

210122011001 is a deficient number, since it is larger than the sum of its proper divisors (30035094919).

210122011001 is a wasteful number, since it uses less digits than its factorization.

210122011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208103.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 210122011001 its reverse (100110221012), we get a palindrome (310232232013).

The spelling of 210122011001 in words is "two hundred ten billion, one hundred twenty-two million, eleven thousand, one".

Divisors: 1 7 13679 95753 2194417 15360919 30017430143 210122011001