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101022201221 = 1947911100121
BaseRepresentation
bin101111000010101100…
…1000111010110000101
3100122202102002112201012
41132011121013112011
53123343140414341
6114224200212005
710204265353664
oct1360531072605
9318672075635
10101022201221
1139930442aa7
12176b416a005
1396ac520c36
144c64b0addb
152963d540eb
hex1785647585

101022201221 has 8 divisors (see below), whose sum is σ = 106561171200. Its totient is φ = 95505432480.

The previous prime is 101022201193. The next prime is 101022201229. The reversal of 101022201221 is 122102220101.

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 101022201221 - 234 = 83842332037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101022201196 and 101022201205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101022201229) 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, 5540960 + ... + 5559161.

It is an arithmetic number, because the mean of its divisors is an integer number (13320146400).

Almost surely, 2101022201221 is an apocalyptic number.

It is an amenable number.

101022201221 is a deficient number, since it is larger than the sum of its proper divisors (5538969979).

101022201221 is a wasteful number, since it uses less digits than its factorization.

101022201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11100619.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 101022201221 its reverse (122102220101), we get a palindrome (223124421322).

The spelling of 101022201221 in words is "one hundred one billion, twenty-two million, two hundred one thousand, two hundred twenty-one".

Divisors: 1 19 479 9101 11100121 210902299 5316957959 101022201221