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121220110001102 = 2779631663165381
BaseRepresentation
bin11011100011111111000001…
…100110001010001111001110
3120220012112021220000001022112
4123203333001212022033032
5111342032241130013402
61105451425540344022
734350602221112060
oct3343770146121716
9526175256001275
10121220110001102
1135696183991822
12117193296a5012
135284013124cc8
1421d1128315730
15e0332ea89e52
hex6e3fc198a3ce

121220110001102 has 32 divisors (see below), whose sum is σ = 207847674929664. Its totient is φ = 51941033776800.

The previous prime is 121220110001071. The next prime is 121220110001189. The reversal of 121220110001102 is 201100011022121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1854024452 + ... + 1854089832.

It is an arithmetic number, because the mean of its divisors is an integer number (6495239841552).

Almost surely, 2121220110001102 is an apocalyptic number.

121220110001102 is a deficient number, since it is larger than the sum of its proper divisors (86627564928562).

121220110001102 is a wasteful number, since it uses less digits than its factorization.

121220110001102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89984.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121220110001102 its reverse (201100011022121), we get a palindrome (322320121023223).

The spelling of 121220110001102 in words is "one hundred twenty-one trillion, two hundred twenty billion, one hundred ten million, one thousand, one hundred two".

Divisors: 1 2 7 14 7963 15926 16631 33262 55741 65381 111482 116417 130762 232834 457667 915334 132432653 264865306 520628903 927028571 1041257806 1087351411 1854057142 2174702822 3644402321 7288804642 7611459877 15222919754 8658579285793 17317158571586 60610055000551 121220110001102