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2212101120111 = 31180162483437
BaseRepresentation
bin100000001100001011100…
…000000110000001101111
321211110211010112010112020
4200030023200012001233
5242220340341320421
64412120352041223
7315550633164441
oct40141340060157
97743733463466
102212101120111
1178316845a6a3
122b8878233213
131307a596163c
14790cdb92491
153c81d9e8dc6
hex2030b80606f

2212101120111 has 8 divisors (see below), whose sum is σ = 2949718141104. Its totient is φ = 1474609089600.

The previous prime is 2212101120107. The next prime is 2212101120149. The reversal of 2212101120111 is 1110211012122.

It is a happy number.

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

It is not a de Polignac number, because 2212101120111 - 22 = 2212101120107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212101120161) 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, 31206316 + ... + 31277121.

It is an arithmetic number, because the mean of its divisors is an integer number (368714767638).

Almost surely, 22212101120111 is an apocalyptic number.

2212101120111 is a deficient number, since it is larger than the sum of its proper divisors (737617020993).

2212101120111 is a wasteful number, since it uses less digits than its factorization.

2212101120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62495241.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2212101120111 its reverse (1110211012122), we get a palindrome (3322312132233).

The spelling of 2212101120111 in words is "two trillion, two hundred twelve billion, one hundred one million, one hundred twenty thousand, one hundred eleven".

Divisors: 1 3 11801 35403 62483437 187450311 737367040037 2212101120111