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2012222201101 = 72312498274541
BaseRepresentation
bin11101010010000001110…
…010100001110100001101
321010100220020001222220221
4131102001302201310031
5230432012340413401
64140222505111341
7265243512333310
oct35220162416415
97110806058827
102012222201101
11706418a79432
12285b95188551
131179a0757428
146d56bbcc977
1537520ee07a1
hex1d481ca1d0d

2012222201101 has 8 divisors (see below), whose sum is σ = 2399668712064. Its totient is φ = 1649772239280.

The previous prime is 2012222201089. The next prime is 2012222201123. The reversal of 2012222201101 is 1011022222102.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2012222201101 is a prime.

It is a super-2 number, since 2×20122222011012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012222201701) 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, 6249137110 + ... + 6249137431.

It is an arithmetic number, because the mean of its divisors is an integer number (299958589008).

Almost surely, 22012222201101 is an apocalyptic number.

It is an amenable number.

2012222201101 is a deficient number, since it is larger than the sum of its proper divisors (387446510963).

2012222201101 is a wasteful number, since it uses less digits than its factorization.

2012222201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12498274571.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2012222201101 its reverse (1011022222102), we get a palindrome (3023244423203).

The spelling of 2012222201101 in words is "two trillion, twelve billion, two hundred twenty-two million, two hundred one thousand, one hundred one".

Divisors: 1 7 23 161 12498274541 87487921787 287460314443 2012222201101