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22012012020201 = 3742115373161957
BaseRepresentation
bin1010000000101000100100…
…01010000100000111101001
32212221022211222001012120220
411000110102022010013221
510341121100034121301
6114452102334240253
74431213115016010
oct500242212040751
985838758035526
1022012012020201
117017272a2a445
1225760aa356089
13c3895432ab68
1456155c177a77
152828b26aa936
hex1405122841e9

22012012020201 has 32 divisors (see below), whose sum is σ = 33624180711168. Its totient is φ = 12547521665280.

The previous prime is 22012012020197. The next prime is 22012012020203. The reversal of 22012012020201 is 10202021021022.

It is not a de Polignac number, because 22012012020201 - 22 = 22012012020197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22012012020203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135831715 + ... + 135993671.

It is an arithmetic number, because the mean of its divisors is an integer number (1050755647224).

Almost surely, 222012012020201 is an apocalyptic number.

22012012020201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22012012020201 is a deficient number, since it is larger than the sum of its proper divisors (11612168690967).

22012012020201 is a wasteful number, since it uses less digits than its factorization.

22012012020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177761.

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

Adding to 22012012020201 its reverse (10202021021022), we get a palindrome (32214033041223).

The spelling of 22012012020201 in words is "twenty-two trillion, twelve billion, twelve million, twenty thousand, two hundred one".

Divisors: 1 3 7 21 421 1263 2947 8841 15373 46119 107611 161957 322833 485871 1133699 3401097 6472033 19416099 45304231 68183897 135912693 204551691 477287279 1431861837 2489764961 7469294883 17428354727 52285064181 1048191048581 3144573145743 7337337340067 22012012020201