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202201221010121 = 677369180919103
BaseRepresentation
bin101101111110011010100011…
…111100111001001011001001
3222111221020200202022100000222
4231332122203330321023021
5203000331100034310441
61554013543015035425
760406361516222054
oct5576324374711311
9874836622270028
10202201221010121
1159478068981303
121a817b4b96bb75
1388a9654ab19c8
1437d083c7d3a9b
151859ab77cbd4b
hexb7e6a3f392c9

202201221010121 has 8 divisors (see below), whose sum is σ = 202554759074304. Its totient is φ = 201847844792880.

The previous prime is 202201221010067. The next prime is 202201221010127. The reversal of 202201221010121 is 121010122102202.

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

It is not a de Polignac number, because 202201221010121 - 26 = 202201221010057 is a prime.

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 202201221010121.

It is not an unprimeable number, because it can be changed into a prime (202201221010127) 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, 37960745 + ... + 42958358.

It is an arithmetic number, because the mean of its divisors is an integer number (25319344884288).

Almost surely, 2202201221010121 is an apocalyptic number.

It is an amenable number.

202201221010121 is a deficient number, since it is larger than the sum of its proper divisors (353538064183).

202201221010121 is an equidigital number, since it uses as much as digits as its factorization.

202201221010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80923471.

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

Adding to 202201221010121 its reverse (121010122102202), we get a palindrome (323211343112323).

The spelling of 202201221010121 in words is "two hundred two trillion, two hundred one billion, two hundred twenty-one million, ten thousand, one hundred twenty-one".

Divisors: 1 677 3691 2498807 80919103 54782232731 298672409173 202201221010121