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1222110101201 = 11210100083481
BaseRepresentation
bin10001110010001011011…
…100000011111011010001
311022211110221202121220112
4101302023130003323101
5130010340141214301
62333232444451105
7154203012314333
oct21621334037321
94284427677815
101222110101201
11431326323400
12178a2a249a95
138b3241a9122
1443216b69453
1521bcad169bb
hex11c8b703ed1

1222110101201 has 6 divisors (see below), whose sum is σ = 1343311103106. Its totient is φ = 1111009182800.

The previous prime is 1222110101189. The next prime is 1222110101309. The reversal of 1222110101201 is 1021010112221.

It can be written as a sum of positive squares in only one way, i.e., 786742390225 + 435367710976 = 886985^2 + 659824^2 .

It is not a de Polignac number, because 1222110101201 - 230 = 1221036359377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222110107201) 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, 5050041620 + ... + 5050041861.

It is an arithmetic number, because the mean of its divisors is an integer number (223885183851).

Almost surely, 21222110101201 is an apocalyptic number.

1222110101201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1222110101201 is a deficient number, since it is larger than the sum of its proper divisors (121201001905).

1222110101201 is a wasteful number, since it uses less digits than its factorization.

1222110101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100083503 (or 10100083492 counting only the distinct ones).

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

Adding to 1222110101201 its reverse (1021010112221), we get a palindrome (2243120213422).

The spelling of 1222110101201 in words is "one trillion, two hundred twenty-two billion, one hundred ten million, one hundred one thousand, two hundred one".

Divisors: 1 11 121 10100083481 111100918291 1222110101201