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102022101001001 = 194437352470437
BaseRepresentation
bin10111001100100111011111…
…000101101110001100101001
3111101020012212122002120001102
4113030213133011232030221
5101333012230324013001
61000552150044531145
730326565525100466
oct2714473705561451
9441205778076042
10102022101001001
112a56436a339145
12b538697250ab5
1344c08484335ac
141b29c78a1466d
15bbdc67bcbe6b
hex5cc9df16e329

102022101001001 has 4 divisors (see below), whose sum is σ = 102022155415812. Its totient is φ = 102022046586192.

The previous prime is 102022101000949. The next prime is 102022101001069. The reversal of 102022101001001 is 100100101220201.

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 57041404235776 + 44980696765225 = 7552576^2 + 6706765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102022101001001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102022101051001) 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, 24290846 + ... + 28179591.

It is an arithmetic number, because the mean of its divisors is an integer number (25505538853953).

Almost surely, 2102022101001001 is an apocalyptic number.

It is an amenable number.

102022101001001 is a deficient number, since it is larger than the sum of its proper divisors (54414811).

102022101001001 is an equidigital number, since it uses as much as digits as its factorization.

102022101001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54414810.

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

Adding to 102022101001001 its reverse (100100101220201), we get a palindrome (202122202221202).

The spelling of 102022101001001 in words is "one hundred two trillion, twenty-two billion, one hundred one million, one thousand, one".

Divisors: 1 1944373 52470437 102022101001001