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1121220222101 = 7222882045349
BaseRepresentation
bin10000010100001101111…
…011101101110010010101
310222012001202122202000122
4100110031323231302111
5121332224334101401
62215025332321325
7144001611432200
oct20241573556225
93865052582018
101121220222101
113a2563648a31
12161372473245
1381966207905
143c3a5864937
151e2738ee21b
hex1050deedc95

1121220222101 has 6 divisors (see below), whose sum is σ = 1304276584950. Its totient is φ = 961045904616.

The previous prime is 1121220222077. The next prime is 1121220222131. The reversal of 1121220222101 is 1012220221211.

It can be written as a sum of positive squares in only one way, i.e., 1120358740900 + 861481201 = 1058470^2 + 29351^2 .

It is not a de Polignac number, because 1121220222101 - 222 = 1121216027797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121220222101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121220222131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11441022626 + ... + 11441022723.

It is an arithmetic number, because the mean of its divisors is an integer number (217379430825).

Almost surely, 21121220222101 is an apocalyptic number.

It is an amenable number.

1121220222101 is a deficient number, since it is larger than the sum of its proper divisors (183056362849).

1121220222101 is an equidigital number, since it uses as much as digits as its factorization.

1121220222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22882045363 (or 22882045356 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1121220222101 its reverse (1012220221211), we get a palindrome (2133440443312).

The spelling of 1121220222101 in words is "one trillion, one hundred twenty-one billion, two hundred twenty million, two hundred twenty-two thousand, one hundred one".

Divisors: 1 7 49 22882045349 160174317443 1121220222101