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222020212010021 = 4791321350876419
BaseRepresentation
bin110010011110110100011011…
…110111101010110000100101
31002010002220222022101220111222
4302132310123313222300211
5213100034343233310041
62104110402150110125
764523300553156425
oct6236643367526045
91063086868356458
10222020212010021
1164819274696487
1220a9900794b345
1396b65543b2609
143cb7b9ac44485
151aa03c659b74b
hexc9ed1bdeac25

222020212010021 has 8 divisors (see below), whose sum is σ = 222652141075200. Its totient is φ = 221388984701280.

The previous prime is 222020212009979. The next prime is 222020212010119. The reversal of 222020212010021 is 120010212020222.

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 222020212010021 - 234 = 222003032140837 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 (222020212010221) 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, 174805451 + ... + 176070968.

It is an arithmetic number, because the mean of its divisors is an integer number (27831517634400).

Almost surely, 2222020212010021 is an apocalyptic number.

It is an amenable number.

222020212010021 is a deficient number, since it is larger than the sum of its proper divisors (631929065179).

222020212010021 is a wasteful number, since it uses less digits than its factorization.

222020212010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350878219.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222020212010021 its reverse (120010212020222), we get a palindrome (342030424030243).

The spelling of 222020212010021 in words is "two hundred twenty-two trillion, twenty billion, two hundred twelve million, ten thousand, twenty-one".

Divisors: 1 479 1321 632759 350876419 168069804701 463507749499 222020212010021