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122021322331 = 1736671195733
BaseRepresentation
bin111000110100100001…
…0011001111001011011
3102122221212122102110111
41301221002121321123
53444344424303311
6132020020225151
711546542061266
oct1615102317133
9378855572414
10122021322331
1147826945547
121b79483b1b7
13b677bb899c
145c97991cdd
15329267ad21
hex1c69099e5b

122021322331 has 8 divisors (see below), whose sum is σ = 129203230464. Its totient is φ = 114839879040.

The previous prime is 122021322329. The next prime is 122021322337. The reversal of 122021322331 is 133223120221.

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 122021322331 - 21 = 122021322329 is a prime.

It is a super-2 number, since 2×1220213223312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122021322337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525541 + ... + 721273.

It is an arithmetic number, because the mean of its divisors is an integer number (16150403808).

Almost surely, 2122021322331 is an apocalyptic number.

122021322331 is a deficient number, since it is larger than the sum of its proper divisors (7181908133).

122021322331 is a wasteful number, since it uses less digits than its factorization.

122021322331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232421.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 122021322331 its reverse (133223120221), we get a palindrome (255244442552).

The spelling of 122021322331 in words is "one hundred twenty-two billion, twenty-one million, three hundred twenty-two thousand, three hundred thirty-one".

Divisors: 1 17 36671 195733 623407 3327461 7177724843 122021322331