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211201022022 = 2371495777047
BaseRepresentation
bin1100010010110010001…
…1111101100001000110
3202012010221222120002220
43010230203331201012
511430014430201042
6241005134513210
721154521031614
oct3045443754106
9665127876086
10211201022022
118162a51a8a1
1234b22965806
1316bbaa9b063
14a31795c6b4
1557619c08ec
hex312c8fd846

211201022022 has 16 divisors (see below), whose sum is σ = 428351369472. Its totient is φ = 69408786440.

The previous prime is 211201022017. The next prime is 211201022033. The reversal of 211201022022 is 220220102112.

It is a junction number, because it is equal to n+sod(n) for n = 211201021992 and 211201022010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247888098 + ... + 247888949.

It is an arithmetic number, because the mean of its divisors is an integer number (26771960592).

Almost surely, 2211201022022 is an apocalyptic number.

211201022022 is an abundant number, since it is smaller than the sum of its proper divisors (217150347450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211201022022 is a wasteful number, since it uses less digits than its factorization.

211201022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495777123.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 211201022022 its reverse (220220102112), we get a palindrome (431421124134).

The spelling of 211201022022 in words is "two hundred eleven billion, two hundred one million, twenty-two thousand, twenty-two".

Divisors: 1 2 3 6 71 142 213 426 495777047 991554094 1487331141 2974662282 35200170337 70400340674 105600511011 211201022022