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1222022021001 = 3540597535113
BaseRepresentation
bin10001110010000110001…
…100000011111110001001
311022211020211000200120220
4101302012030003332021
5130010200114133001
62333220020540253
7154200562535625
oct21620614037611
94284224020526
101222022021001
11431290633451
12178a04851689
138b30bb79c72
144320919c185
1521bc3218c36
hex11c86303f89

1222022021001 has 8 divisors (see below), whose sum is σ = 1629393051360. Its totient is φ = 814666168992.

The previous prime is 1222022020979. The next prime is 1222022021089. The reversal of 1222022021001 is 1001202202221.

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

It is not a de Polignac number, because 1222022021001 - 25 = 1222022020969 is a prime.

It is a super-2 number, since 2×12220220210012 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1222022021501) 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, 3605380 + ... + 3929733.

It is an arithmetic number, because the mean of its divisors is an integer number (203674131420).

Almost surely, 21222022021001 is an apocalyptic number.

It is an amenable number.

1222022021001 is a deficient number, since it is larger than the sum of its proper divisors (407371030359).

1222022021001 is an equidigital number, since it uses as much as digits as its factorization.

1222022021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7589175.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1222022021001 its reverse (1001202202221), we get a palindrome (2223224223222).

The spelling of 1222022021001 in words is "one trillion, two hundred twenty-two billion, twenty-two million, twenty-one thousand, one".

Divisors: 1 3 54059 162177 7535113 22605339 407340673667 1222022021001