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1022002201221 = 31931176420197
BaseRepresentation
bin11101101111101000001…
…01000000001010000101
310121200222002110001110120
432313310011000022011
5113221030030414341
62101300142012153
7133560111243201
oct16676405001205
93550862401416
101022002201221
11364479665371
121460a2577059
13754b370b711
14376725dbb01
151b8b817c066
hexedf4140285

1022002201221 has 8 divisors (see below), whose sum is σ = 1363375290144. Its totient is φ = 680981956560.

The previous prime is 1022002201219. The next prime is 1022002201223. The reversal of 1022002201221 is 1221022002201.

It is an interprime number because it is at equal distance from previous prime (1022002201219) and next prime (1022002201223).

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

It is not a de Polignac number, because 1022002201221 - 21 = 1022002201219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1022002201221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022002201223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88204306 + ... + 88215891.

It is an arithmetic number, because the mean of its divisors is an integer number (170421911268).

Almost surely, 21022002201221 is an apocalyptic number.

It is an amenable number.

1022002201221 is a deficient number, since it is larger than the sum of its proper divisors (341373088923).

1022002201221 is a wasteful number, since it uses less digits than its factorization.

1022002201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176422131.

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

Adding to 1022002201221 its reverse (1221022002201), we get a palindrome (2243024203422).

The spelling of 1022002201221 in words is "one trillion, twenty-two billion, two million, two hundred one thousand, two hundred twenty-one".

Divisors: 1 3 1931 5793 176420197 529260591 340667400407 1022002201221