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202222202121121 = 7132222222001331
BaseRepresentation
bin101101111110101110000110…
…100001011110101110100001
3222112000020211221222012120011
4231332232012201132232201
5203001202032220333441
61554031332553044521
760411033453555640
oct5576560641365641
9875006757865504
10202222202121121
1159485a551a2566
121a8200263b6741
1388ab619811ca0
1437d186d10b357
15185a3e4747581
hexb7eb8685eba1

202222202121121 has 8 divisors (see below), whose sum is σ = 248888864149184. Its totient is φ = 159999984095760.

The previous prime is 202222202121119. The next prime is 202222202121211. The reversal of 202222202121121 is 121121202222202.

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 202222202121121 - 21 = 202222202121119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202222202121092 and 202222202121101.

It is not an unprimeable number, because it can be changed into a prime (202222202122121) 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, 1111111000575 + ... + 1111111000756.

It is an arithmetic number, because the mean of its divisors is an integer number (31111108018648).

Almost surely, 2202222202121121 is an apocalyptic number.

It is an amenable number.

202222202121121 is a deficient number, since it is larger than the sum of its proper divisors (46666662028063).

202222202121121 is a wasteful number, since it uses less digits than its factorization.

202222202121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222222001351.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 202222202121121 its reverse (121121202222202), we get a palindrome (323343404343323).

The spelling of 202222202121121 in words is "two hundred two trillion, two hundred twenty-two billion, two hundred two million, one hundred twenty-one thousand, one hundred twenty-one".

Divisors: 1 7 13 91 2222222001331 15555554009317 28888886017303 202222202121121