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12202120110101 = 15180808742451
BaseRepresentation
bin1011000110010000011100…
…0010001110000000010101
31121012111210201201112121012
42301210013002032000111
53044404420222010401
641541324313302005
72366400624421355
oct261440702160025
947174721645535
1012202120110101
11398498776a109
121450a29404905
136a686901b17c
1430282b4a2b65
151626125808bb
hexb190708e015

12202120110101 has 4 divisors (see below), whose sum is σ = 12282928852704. Its totient is φ = 12121311367500.

The previous prime is 12202120110073. The next prime is 12202120110121. The reversal of 12202120110101 is 10101102120221.

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 12202120110101 - 210 = 12202120109077 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 (12202120110121) 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, 40404371075 + ... + 40404371376.

It is an arithmetic number, because the mean of its divisors is an integer number (3070732213176).

Almost surely, 212202120110101 is an apocalyptic number.

It is an amenable number.

12202120110101 is a deficient number, since it is larger than the sum of its proper divisors (80808742603).

12202120110101 is an equidigital number, since it uses as much as digits as its factorization.

12202120110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80808742602.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12202120110101 its reverse (10101102120221), we get a palindrome (22303222230322).

The spelling of 12202120110101 in words is "twelve trillion, two hundred two billion, one hundred twenty million, one hundred ten thousand, one hundred one".

Divisors: 1 151 80808742451 12202120110101