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122022221012111 = 7145253120009541
BaseRepresentation
bin11011101111101010000011…
…001000110101110010001111
3121000001012200101101021000002
4123233222003020311302033
5111443203002034341421
61111304122351154515
734462546250161130
oct3357520310656217
9530035611337002
10122022221012111
1135975373715312
1211828882b15a3b
135311852546304
14221bc9ab91c87
15e1912836bb0b
hex6efa83235c8f

122022221012111 has 8 divisors (see below), whose sum is σ = 139454928109344. Its totient is φ = 104589754224480.

The previous prime is 122022221012033. The next prime is 122022221012129. The reversal of 122022221012111 is 111210122220221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-122022221012111 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 (122022221011111) 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, 58988000 + ... + 61021541.

It is an arithmetic number, because the mean of its divisors is an integer number (17431866013668).

Almost surely, 2122022221012111 is an apocalyptic number.

122022221012111 is a deficient number, since it is larger than the sum of its proper divisors (17432707097233).

122022221012111 is a wasteful number, since it uses less digits than its factorization.

122022221012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120154801.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 122022221012111 its reverse (111210122220221), we get a palindrome (233232343232332).

The spelling of 122022221012111 in words is "one hundred twenty-two trillion, twenty-two billion, two hundred twenty-one million, twelve thousand, one hundred eleven".

Divisors: 1 7 145253 1016771 120009541 840066787 17431745858873 122022221012111