Search a number
-
+
1011202222001 = 1953221169579
BaseRepresentation
bin11101011011100000101…
…10010110011110110001
310120200002102101021011012
432231300112112132301
5113031420232101001
62052312341000305
7133025351032256
oct16556026263661
93520072337135
101011202222001
1135a937324104
12143b896b3095
137448207797a
1436d2a11742d
151b484e4d2bb
hexeb705967b1

1011202222001 has 4 divisors (see below), whose sum is σ = 1064423391600. Its totient is φ = 957981052404.

The previous prime is 1011202221937. The next prime is 1011202222013. The reversal of 1011202222001 is 1002222021101.

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 1011202222001 - 26 = 1011202221937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011202222021) 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, 26610584771 + ... + 26610584808.

It is an arithmetic number, because the mean of its divisors is an integer number (266105847900).

Almost surely, 21011202222001 is an apocalyptic number.

It is an amenable number.

1011202222001 is a deficient number, since it is larger than the sum of its proper divisors (53221169599).

1011202222001 is an equidigital number, since it uses as much as digits as its factorization.

1011202222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53221169598.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1011202222001 its reverse (1002222021101), we get a palindrome (2013424243102).

The spelling of 1011202222001 in words is "one trillion, eleven billion, two hundred two million, two hundred twenty-two thousand, one".

Divisors: 1 19 53221169579 1011202222001