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202201221002221 = 7103280445521501
BaseRepresentation
bin101101111110011010100011…
…111100110111001111101101
3222111221020200202021221012101
4231332122203330313033231
5203000331100034032341
61554013543014535101
760406361516160040
oct5576324374671755
9874836622257171
10202201221002221
1159478068976381
121a817b4b967491
1388a9654aab22c
1437d083c7d0c57
151859ab77c9831
hexb7e6a3f373ed

202201221002221 has 8 divisors (see below), whose sum is σ = 233330673889664. Its totient is φ = 171632659158000.

The previous prime is 202201221002213. The next prime is 202201221002237. The reversal of 202201221002221 is 122200122102202.

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 202201221002221 - 23 = 202201221002213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202201221002281) 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, 140222760030 + ... + 140222761471.

It is an arithmetic number, because the mean of its divisors is an integer number (29166334236208).

Almost surely, 2202201221002221 is an apocalyptic number.

It is an amenable number.

202201221002221 is a deficient number, since it is larger than the sum of its proper divisors (31129452887443).

202201221002221 is a wasteful number, since it uses less digits than its factorization.

202201221002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280445521611.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 202201221002221 its reverse (122200122102202), we get a palindrome (324401343104423).

The spelling of 202201221002221 in words is "two hundred two trillion, two hundred one billion, two hundred twenty-one million, two thousand, two hundred twenty-one".

Divisors: 1 7 103 721 280445521501 1963118650507 28885888714603 202201221002221