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101221212122122 = 264451785257111
BaseRepresentation
bin10111000000111101100110…
…011001000110110000001010
3111021101122122022101002110211
4113000331212121012300022
5101231402020300401442
6555140214412431334
730214663665666031
oct2700754631066012
9437348568332424
10101221212122122
112a285747458604
12b42942317854a
1344631722854b1
141add1c05c9718
15ba7ee1858617
hex5c0f66646c0a

101221212122122 has 8 divisors (see below), whose sum is σ = 151834174147872. Its totient is φ = 50609820739500.

The previous prime is 101221212122111. The next prime is 101221212122141. The reversal of 101221212122122 is 221221212122101.

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

It is a junction number, because it is equal to n+sod(n) for n = 101221212122093 and 101221212122102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392499654 + ... + 392757457.

It is an arithmetic number, because the mean of its divisors is an integer number (18979271768484).

Almost surely, 2101221212122122 is an apocalyptic number.

101221212122122 is a deficient number, since it is larger than the sum of its proper divisors (50612962025750).

101221212122122 is an equidigital number, since it uses as much as digits as its factorization.

101221212122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785321564.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 101221212122122 its reverse (221221212122101), we get a palindrome (322442424244223).

The spelling of 101221212122122 in words is "one hundred one trillion, two hundred twenty-one billion, two hundred twelve million, one hundred twenty-two thousand, one hundred twenty-two".

Divisors: 1 2 64451 128902 785257111 1570514222 50610606061061 101221212122122