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101212101222011 = 1310375587827649
BaseRepresentation
bin10111000000110101000111…
…010101110001111001111011
3111021100210010100121102002222
4113000311013111301321323
5101231224340403101021
6555132110350314255
730214222135424033
oct2700650725617173
9437323110542088
10101212101222011
112a2818a160049a
12b4276bbab898b
13446234c846240
141adc9985868c3
15ba7b5ba726ab
hex5c0d47571e7b

101212101222011 has 8 divisors (see below), whose sum is σ = 110055877058400. Its totient is φ = 92519501041152.

The previous prime is 101212101222007. The next prime is 101212101222049. The reversal of 101212101222011 is 110222101212101.

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 101212101222011 - 22 = 101212101222007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101212101222061) 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, 37793912486 + ... + 37793915163.

It is an arithmetic number, because the mean of its divisors is an integer number (13756984632300).

Almost surely, 2101212101222011 is an apocalyptic number.

101212101222011 is a deficient number, since it is larger than the sum of its proper divisors (8843775836389).

101212101222011 is a wasteful number, since it uses less digits than its factorization.

101212101222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75587827765.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 101212101222011 its reverse (110222101212101), we get a palindrome (211434202434112).

The spelling of 101212101222011 in words is "one hundred one trillion, two hundred twelve billion, one hundred one million, two hundred twenty-two thousand, eleven".

Divisors: 1 13 103 1339 75587827649 982641759437 7785546247847 101212101222011