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122100122021011 = 17231136110013789
BaseRepresentation
bin11011110000110010100110…
…011001100110110010010011
3121000022122202102212112111221
4123300302212121212302103
5112000442022214133021
61111404004404145511
734501304563630141
oct3360624631466223
9530278672775457
10122100122021011
11359a5409812302
121183b9a3998297
135318cb8854554
14222196ac64591
15e1b187422241
hex6f0ca6666c93

122100122021011 has 24 divisors (see below), whose sum is σ = 133987394171520. Its totient is φ = 111129013708800.

The previous prime is 122100122020993. The next prime is 122100122021081. The reversal of 122100122021011 is 110120221001221.

It is not a de Polignac number, because 122100122021011 - 217 = 122100121889939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122100122021081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7186305 + ... + 17200093.

It is an arithmetic number, because the mean of its divisors is an integer number (5582808090480).

Almost surely, 2122100122021011 is an apocalyptic number.

122100122021011 is a deficient number, since it is larger than the sum of its proper divisors (11887272150509).

122100122021011 is a wasteful number, since it uses less digits than its factorization.

122100122021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10015215 (or 10015198 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122100122021011 its reverse (110120221001221), we get a palindrome (232220343022232).

The spelling of 122100122021011 in words is "one hundred twenty-two trillion, one hundred billion, one hundred twenty-two million, twenty-one thousand, eleven".

Divisors: 1 17 31 289 527 1361 8959 23137 42191 393329 717247 10013789 12193199 170234413 310427459 2893985021 5277266803 13628766829 89713535651 231689036093 422491771699 3938713613581 7182360118883 122100122021011