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1222011122201 = 4370940083023
BaseRepresentation
bin10001110010000101100…
…010011111001000011001
311022211020001111222020122
4101302011202133020121
5130010134321402301
62333214551203025
7154200401103662
oct21620542371031
94284201458218
101222011122201
11431285469a81
12178a01076475
138b30983227c
1443207962369
1521bc22b481b
hex11c8589f219

1222011122201 has 8 divisors (see below), whose sum is σ = 1252193669760. Its totient is φ = 1191908742192.

The previous prime is 1222011122177. The next prime is 1222011122209. The reversal of 1222011122201 is 1022211102221.

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

It is a cyclic number.

It is not a de Polignac number, because 1222011122201 - 214 = 1222011105817 is a prime.

It is a super-2 number, since 2×12220111222012 (a number of 25 digits) contains 22 as substring.

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 1222011122201.

It is not an unprimeable number, because it can be changed into a prime (1222011122209) 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, 20011025 + ... + 20071998.

It is an arithmetic number, because the mean of its divisors is an integer number (156524208720).

Almost surely, 21222011122201 is an apocalyptic number.

It is an amenable number.

1222011122201 is a deficient number, since it is larger than the sum of its proper divisors (30182547559).

1222011122201 is an equidigital number, since it uses as much as digits as its factorization.

1222011122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40083775.

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

Adding to 1222011122201 its reverse (1022211102221), we get a palindrome (2244222224422).

The spelling of 1222011122201 in words is "one trillion, two hundred twenty-two billion, eleven million, one hundred twenty-two thousand, two hundred one".

Divisors: 1 43 709 30487 40083023 1723569989 28418863307 1222011122201