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120101222021 = 1129376492859
BaseRepresentation
bin110111111011010010…
…1110011011010000101
3102111000001122020000012
41233312211303122011
53431431403101041
6131101310000005
711451135354224
oct1576645633205
9374001566005
10120101222021
1146a31010790
121b3397a6005
13b430168161
145b54974cbb
1531cdcec3eb
hex1bf6973685

120101222021 has 8 divisors (see below), whose sum is σ = 135537429600. Its totient is φ = 105418000240.

The previous prime is 120101221991. The next prime is 120101222023. The reversal of 120101222021 is 120222101021.

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 120101222021 - 218 = 120100959877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120101221987 and 120101222005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120101222023) 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, 188246111 + ... + 188246748.

It is an arithmetic number, because the mean of its divisors is an integer number (16942178700).

Almost surely, 2120101222021 is an apocalyptic number.

120101222021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120101222021 is a deficient number, since it is larger than the sum of its proper divisors (15436207579).

120101222021 is a wasteful number, since it uses less digits than its factorization.

120101222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376492899.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120101222021 its reverse (120222101021), we get a palindrome (240323323042).

The spelling of 120101222021 in words is "one hundred twenty billion, one hundred one million, two hundred twenty-two thousand, twenty-one".

Divisors: 1 11 29 319 376492859 4141421449 10918292911 120101222021