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101222222002001 = 705725657559049
BaseRepresentation
bin10111000000111110100010…
…100101011111011101010001
3111021101202020200122022020022
4113000332202211133131101
5101231411102313031001
6555140502525553225
730215031010556162
oct2700764245373521
9437352220568208
10101222222002001
112a28611550a281
12b429665415815
1344632a3571659
141add278789769
15ba805033c11b
hex5c0fa295f751

101222222002001 has 8 divisors (see below), whose sum is σ = 101240692384200. Its totient is φ = 101203752803328.

The previous prime is 101222222001959. The next prime is 101222222002039. The reversal of 101222222002001 is 100200222222101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 64162422921025 + 37059799080976 = 8010145^2 + 6087676^2 .

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-101222222002001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101222222002061) 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, 180781925 + ... + 181340973.

It is an arithmetic number, because the mean of its divisors is an integer number (12655086548025).

Almost surely, 2101222222002001 is an apocalyptic number.

It is an amenable number.

101222222002001 is a deficient number, since it is larger than the sum of its proper divisors (18470382199).

101222222002001 is an equidigital number, since it uses as much as digits as its factorization.

101222222002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591763.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 101222222002001 its reverse (100200222222101), we get a palindrome (201422444224102).

The spelling of 101222222002001 in words is "one hundred one trillion, two hundred twenty-two billion, two hundred twenty-two million, two thousand, one".

Divisors: 1 7057 25657 559049 181061449 3945208793 14343520193 101222222002001