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1222011000101 = 10311864184467
BaseRepresentation
bin10001110010000101100…
…010000001010100100101
311022211020001021202202102
4101302011202001110211
5130010134304000401
62333214544421445
7154200400055003
oct21620542012445
94284201252672
101222011000101
11431285396271
12178a01017885
138b3097bb818
144320792da73
1521bc228d56b
hex11c85881525

1222011000101 has 4 divisors (see below), whose sum is σ = 1233875184672. Its totient is φ = 1210146815532.

The previous prime is 1222011000079. The next prime is 1222011000157. The reversal of 1222011000101 is 1010001102221.

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 1222011000101 - 218 = 1222010737957 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 (1222811000101) 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, 5932092131 + ... + 5932092336.

It is an arithmetic number, because the mean of its divisors is an integer number (308468796168).

Almost surely, 21222011000101 is an apocalyptic number.

It is an amenable number.

1222011000101 is a deficient number, since it is larger than the sum of its proper divisors (11864184571).

1222011000101 is a wasteful number, since it uses less digits than its factorization.

1222011000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11864184570.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1222011000101 its reverse (1010001102221), we get a palindrome (2232012102322).

The spelling of 1222011000101 in words is "one trillion, two hundred twenty-two billion, eleven million, one hundred one", and thus it is an aban number.

Divisors: 1 103 11864184467 1222011000101