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220002120101 = 271013811777
BaseRepresentation
bin1100110011100100100…
…1011111000110100101
3210000212022210122222102
43030321021133012211
512101031020320401
6245022332541445
721615600110651
oct3147111370645
9700768718872
10220002120101
1185336509075
123677a321885
1317991289aba
14a910799a61
155ac94ad56b
hex333925f1a5

220002120101 has 4 divisors (see below), whose sum is σ = 220003202892. Its totient is φ = 220001037312.

The previous prime is 220002120059. The next prime is 220002120103. The reversal of 220002120101 is 101021200022.

It is a happy number.

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 can be written as a sum of positive squares in 2 ways, for example, as 26403000100 + 193599120001 = 162490^2 + 439999^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-220002120101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220002120103) 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, 134876 + ... + 676901.

It is an arithmetic number, because the mean of its divisors is an integer number (55000800723).

Almost surely, 2220002120101 is an apocalyptic number.

It is an amenable number.

220002120101 is a deficient number, since it is larger than the sum of its proper divisors (1082791).

220002120101 is an equidigital number, since it uses as much as digits as its factorization.

220002120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082790.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 220002120101 its reverse (101021200022), we get a palindrome (321023320123).

The spelling of 220002120101 in words is "two hundred twenty billion, two million, one hundred twenty thousand, one hundred one".

Divisors: 1 271013 811777 220002120101