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202202101120021 = 11931488711385131
BaseRepresentation
bin101101111110011011011000…
…011010001111110000010101
3222111221022222002101112211221
4231332123120122033300111
5203000334400341320041
61554014210214530341
760406422364100122
oct5576333032176025
9874838862345757
10202202101120021
115947847a758962
121a8181566669b1
1388a9765232cb2
1437d08c3653749
151859b19bca2d1
hexb7e6d868fc15

202202101120021 has 8 divisors (see below), whose sum is σ = 202385203187904. Its totient is φ = 202019021854560.

The previous prime is 202202101120007. The next prime is 202202101120027. The reversal of 202202101120021 is 120021101202202.

It is a happy number.

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 202202101120021 - 29 = 202202101119509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202202101119977 and 202202101120004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202202101120027) 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, 12067626 + ... + 23452756.

It is an arithmetic number, because the mean of its divisors is an integer number (25298150398488).

Almost surely, 2202202101120021 is an apocalyptic number.

It is an amenable number.

202202101120021 is a deficient number, since it is larger than the sum of its proper divisors (183102067883).

202202101120021 is a wasteful number, since it uses less digits than its factorization.

202202101120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11401211.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202202101120021 its reverse (120021101202202), we get a palindrome (322223202322223).

The spelling of 202202101120021 in words is "two hundred two trillion, two hundred two billion, one hundred one million, one hundred twenty thousand, twenty-one".

Divisors: 1 1193 14887 11385131 17760191 13582461283 169490445197 202202101120021